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  1. The amphibia and reptilia of Colorado / Max M. Ellis and Junius Henderson.
    By: Ellis, Max Mapes,
    Publication info: Boulder :University of Colorado,1913.
    Contributed by: Smithsonian Libraries
    Subjects: Amphibians  Colorado  Reptiles  
    BHL Collections: Smithsonian Libraries
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  2. An analysis of culture change in the Ackmen-Lowry area / John B. Rinaldo, Assistant, Archaeology.
    By: Rinaldo, John B.
    Publication info: [Chicago]Chicago Natural History Museum,1950.
    Contributed by: Field Museum Library
    Subjects: Colorado  Indian pottery  North America  Pottery  
    BHL Collections: Field Museum Library
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  3. Annual report of the United States Geological and geographical survey of the territories : embracing Colorado and parts of adjacent territories; being a report of progress of the exploration for the year 1874 /
    By: Hayden, F. V. - Geological and Geographical Survey of the Territories (U.S.)
    Publication info: Washington, D.C. :G.P.O.,1876.
    Contributed by: Smithsonian Libraries
    Subjects: Colorado  Geology  
    BHL Collections: Smithsonian Libraries
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  4. Annual report upon explorations and surveys in the department of the Missouri /
    By: Ruffner, E.H. - Strecker, Herman,
    Publication info: Washington : U.S. Govt. Print. Off.,1878.
    Contributed by: Smithsonian Libraries
    Subjects: Colorado  Insects  Missouri  Natural history  New Mexico  
    BHL Collections: Smithsonian Libraries
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  5. Archaeological investigations in New Mexico, Colorado, and Utah (with 14 plates) by J. Walter Fewkes.
    By: Fewkes, Jesse Walter,
    Publication info: Washington,The Smithsonian Institution,1917.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Archaeology  Colorado  New Mexico  Utah  
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  6. Archaeological work in the Ackmen-Lowry area, southwestern Colorado, 1937, by Paul S. Martin ... With reports by Carl Lloyd and Alexander Spoehr.
    By: Martin, Paul S. - Lloyd, Carl. - Spoehr, Alexander,
    Publication info: Chicago:Field Museum Press,1938
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Antiquities  Colorado  Indians of North America  
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  7. Assessing the natural range of variability in minimally disturbed wetlands across the Rocky Mountains : the Rocky Mountain ReMAP project /
    By: Vance, Linda K. - Jones, George, - Lemly, Joanna, - Newlon, Karen Rachel, - Colorado Natural Heritage Program. - Montana Natural Heritage Program. - United States. - Wyoming Natural Diversity Database.
    Contributed by: Montana State Library (archive.org)
    Subjects: Colorado  Flowers  Montana  Quality control  Shrubland ecology  Utah  Wet meadow ecology  Wetlands  Wyoming  
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  8. Atlas to accompany monograph XXXI on the geology of the Aspen District, Colorado /
    By: Spurr, Josiah Edward, - Geological Survey (U.S.)
    Publication info: Washington :U.S. Geological Survey,1898.
    Contributed by: Harold B. Lee Library (archive.org)
    Subjects: Aspen District (Colo.)  Colorado  Geology  Maps  Physical maps  Pitkin County  
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  9. Biennial report of the State Forest, Game and Fish Commissioner of the State of Colorado for the years 1897 and 1898 : J. S. Swan, Commissioner.
    By: Colorado.
    Publication info: Denver, Colo. :Smith-Brooks, State Printers,1898.
    Contributed by: Library of Congress
    Subjects: Colorado  Fisheries  Forests and forestry  Game and game-birds  Wildlife conservation  
    BHL Collections: Library of Congress
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  10. The birds of Colorado /
    By: Cooke, Wells Woodbridge,
    Publication info: Fort Collins, Colo. :State Agricultural College, Agricultural Experiment Station,1897.
    Contributed by: Cornell University Library
    Subjects: Birds  Colorado  
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  11. The birds of El Paso County, Colorado /
    By: Aiken, Charles Edward Howard, - Colorado College.
    Publication info: Colorado Springs :Published by the authority of the Board of Trustees of Colorado College,1914
    Contributed by: Cornell University Library
    Subjects: Birds  Colorado  El Paso County  
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  12. Birds of the Rockies,
    By: Keyser, Leander Sylvester,
    Publication info: Chicago,A. C. McClurg and co.,1902.
    Contributed by: Prelinger Library (archive.org)
    Subjects: Birds  Colorado  
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  13. Birds of the Rockies,
    By: Keyser, Leander S.
    Publication info: Chicago,A. C. McClurg and co.,1902.
    Contributed by: American Museum of Natural History Library
    Subjects: 59.82(78)  Birds  Colorado  Rocky Mountains  
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  14. Brand book, containing the brands of the Bent County cattle and horse growers' association for the year of 1885.
    By: Bent County cattle and horse growers' association, Colorado.
    Publication info: West Las Animas, Colo.,Printed at the Leader office,1885.
    Contributed by: Library of Congress
    Subjects: Bent Co  Colorado  Livestock brands  
    BHL Collections: Library of Congress
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  15. Bulletin.
    By: Colorado Geological Survey. - Essex Institute.
    Publication info: Salem, Mass.
    Contributed by: Robarts - University of Toronto (archive.org)
    Subjects: Colorado  Essex County (Mass.)  Geology  History  Natural history  Societies, etc  
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  16. Canon City District wilderness planning amendment.
    By: United States.
    Publication info: Denver, Colo. :U.S. Dept. of the Interior, Bureau of Land Management,[1982]
    Contributed by: Bureau of Land Management (archive.org)
    Subjects: Canon City  Colorado  Environmental aspects  Land use  Management  Planning  Public lands  Wilderness areas  
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  17. The Carboniferous formations and faunas of Colorado / by George H. Girty.
    By: Girty, George Herbert,
    Publication info: Washington :Govt. print. off.,1903.
    Contributed by: Harvard University, MCZ, Ernst Mayr Library
    Subjects: Carboniferous  Colorado  Geology  Geology, Stratigraphic  Mollusks, Fossil  Paleontology  
    BHL Collections: Ernst Mayr Library of the MCZ, Harvard University
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  18. Chas. E. Pennock's price list of home-made and home-grown fruit trees and nursery stock : that grow the best, bear the best and are the best /
    By: Apple Grove Nurseries. - Henry G. Gilbert Nursery and Seed Trade Catalog Collection.
    Publication info: Fort Collins, C.O. :Apple Grove Nurseries,1893.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Catalogs  Colorado  Fort Collins  Fruit  Nurseries (Horticulture)  Seedlings  
    BHL Collections: Seed & Nursery Catalogs
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  19. Colorado ...
    By: United States Railroad Administration.
    Publication info: Chicago,Poole bros.,1919?
    Contributed by: Library of Congress
    Subjects: Agriculture  Colorado  Economic conditions  
    BHL Collections: Library of Congress
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  20. Colorado as an agricultural state.
    By: Pabor, William Edgar,
    Publication info: New York,Orange Judd co.,1883.
    Contributed by: Library of Congress
    Subjects: Agriculture  Colorado  Description and travel  
    BHL Collections: Library of Congress
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  21. Colorado flora.
    By: Jones, Marcus E. - Engelmann, George,
    Publication info: [Oquawka, Illinois] :H.N. Patterson, printer,1878.
    Contributed by: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: Colorado  Plants  
    BHL Collections: Engelmann Herbarium
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  22. Colorado State Forestry Association. Organized November 19th, 1884 ...
    By: Colorado State Forestry Association.
    Publication info: Denver, Colo.,The Republican Publishing Company, Printers,1884.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Colorado  Colorado State Forestry Association  Forests and forestry  
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  23. Colorado's northern Front Range : forest statistics for state and private land, 1983 /
    By: Conner, Roger C. - Waters, Shirley H. - Intermountain Research Station (Ogden, Utah)
    Publication info: Ogden, Utah :U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station,1987.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Colorado  Forest reserves  Forests and forestry  Statistics  
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  24. Colorado's southern Front Range : forest statistics for state and private land, 1983 /
    By: Conner, Roger C. - Pawley, William T. - Intermountain Research Station (Ogden, Utah)
    Publication info: Ogden, Utah :U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station,1987.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Colorado  Forest surveys  Forests and forestry  Front Range (Colo. and Wyo.)  Statistics  Timber  
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  25. Colorado's state and private timber resources, 1983 /
    By: Green, Alan W. - Conner, Roger C. - Intermountain Research Station (Ogden, Utah)
    Publication info: Ogden, Utah :U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station,1987.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Colorado  Forests and forestry  Statistics  Timber  
    View Book
  26. Colorado's timber resources /
    By: Benson, Robert Earl, - Green, Alan W. - Intermountain Research Station (Ogden, Utah)
    Publication info: Ogden, Utah :U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station,1987.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Colorado  Forest surveys  Forests and forestry  Statistics  Timber  
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  27. Colorado's woodland resources on state and private land /
    By: Conner, Roger C. - Green, Alan W. - Intermountain Research Station (Ogden, Utah)
    Publication info: Ogden, Utah :U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station,1988.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Colorado  Forest surveys  Forests and forestry  Statistics  Timber  
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  28. Concerning the duties of the secretary of the State board of agriculture,
    By: Colorado.
    Publication info: Fort Collins, Col.,1887.
    Contributed by: Library of Congress
    Subjects: Agriculture  Colorado  Seed distribution  State Board of Agriculture  
    BHL Collections: Library of Congress
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  29. Contribution to the fossil flora of Florissant, Colorado.
    By: Kirchner, Walter Charles George,
    Publication info: [n.p.]1898.
    Contributed by: Mertz Library, The New York Botanical Garden
    Subjects: Colorado  Florissant  Paleobotany  Tertiary  
    BHL Collections: New York Botanical Garden
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  30. Correspondence : Bebb (Michael) and Engelmann (George), 1859-1882.
    By: Bebb, M. S.
    Contributed by: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: (Alvan Wentworth),  (Charles Christopher),  (Michael Schuck),  (Nils Johan),  (Stephen Thayer),  1802-1879  1809-1884  1809-1899  1812-1878  1817-1911  1821-1880  1822-1882  1823-1890  1826-1892  1831-1904  1833-1895  -1898  Andersson, N. J  Bebb, M. S  California  Canby, William Marriott,  Chapman, A. W  Classification  Colorado  Correspondence  Engelmann, George,  Fagaceae  Hall, Elihu,  Hartweg, Theodor  Hooker, Joseph Dalton,  Identification  Juncaceae  Juncus  Letters  Lindheimer, Ferdinand,  Olney, Stephen T  Parry, C. C  Plants  Quercus  Salicaceae  Salix  San Francisco  Sierra Nevada (Calif. and Nev.)  Tatnall, Edward,  Travel  Watson, Sereno,  
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
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  31. Correspondence : Case (Francis) and Engelmann (George), 1863.
    By: Case, Francis M. - Cratty, R. I.
    Contributed by: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: (Robert Irvin),  1809-1884  1850-1942  1853-1940  Alismataceae  Arthur, Joseph Charles,  Botanical specimens  Case, Francis M  Collection and preservation  Colorado  Correspondence  Cratty, R. I  Ecology  Engelmann, George,  Environmental conditions  Iowa  Letters  Meteorology  Observations  Sagittaria  Vegetation and climate  
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
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  32. Correspondence : Douglas (Robert) and Engelmann (George), 1878-1880.
    By: Douglas, Robert,
    Contributed by: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: (Alexis Randolph),  (Andrew Lafayette),  (Charles Christopher),  (James Harris),  (James Thomas),  (John Albert),  (John Aston),  (Thompson Clarke),  (William Eliot),  1802-1863  1802-1886  1809-1884  1812-1883  1813-1897  1819-1909  1821-1909  1822-1908  1823-1890  1824-1897  1824-1898  1826-1901  1831-1885  1832-1925  1841-1927  1843-1925  Abies  Adaptation  Allen, J. T  Barnes, W. E  Barney, E. E  Bignoniaceae  Bolle, Carl August,  Botany, Economic  Brandegee, Townshend Stith,  Catalpa  Colorado  Correspondence  Douglas, Robert,  Engelmann, George,  Europe  Evergreens  Johnson, George William,  Juniperus  Kennicott, J. A  Letters  Masters, J. H  Maxwell, T. C  Meehan, Thomas,  Northwest, Pacific  Parry, C. C  Picea  Pinaceae  Plants  Sargent, Charles Sprague,  Seeds  Siler, A. L  Warder, J. A  West (U.S.)  Whitney, A. R  
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
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  33. Correspondence : Hayden (Ferdinand) and Engelmann (George), 1850-1874.
    By: Hayden, F. V.
    Contributed by: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: (Benjamin Franklin),  (Ferdinand Vandeveer),  (Frederick Adolph),  (Gouverneur Kemble),  (John Strong),  (William Franklin),  (William Hemsley),  (William Selby),  1779-1864  1784-1867  1796-1873  1800-1871  1800-1889  1809-1879  1809-1884  1810-1889  1811-1887  1813-1894  1820-1869  1820-1894  1822-1882  1822-1892  1823-1887  1823-1891  1829-1887  1830-1882  -1861  Baird, Spencer Fullerton,  Botanical specimens  Chouteau, Charles P  Civil War, 1861-1865  Collection and preservation  Colorado  Colorado River (Colo.-Mexico)  Correspondence  Culbertson, Alexander,  Dewey, Chester,  Discovery and exploration  Emory, William H  Engelmann, George,  Gilpin, William,  Hall, Elihu,  Harney, William S  Hayden, F. V  History  Indians of North America  Kennerly, Caleb Burwell Rowan,  Leidy, Joseph,  Letters  Meteorology  Missouri  Nebraska  Newberry, J. S  Observations  Plants  Raynolds, W. F  Shumard, B. F  Silliman, Benjamin,  Snake River  Torrey, John,  Transportation  United States  Vaughan, Alfred Jefferson,  Warren, G. K  Wislizenus, F. A  Yellowstone National Park  
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
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  34. Correspondence : Hooker (Joseph) and Engelmann (George), 1867-1883.
    By: Hooker, Joseph Dalton,
    Contributed by: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: (Charles Christopher),  (Henry Nicholas),  (William Marbury),  1785-1865  1796-1873  1800-1884  1809-1884  1810-1888  1811-1848  1817-1911  1823-1890  1830-1916  1831-1897  1834-1920  1836-1909  1843-1925  Abies  Agave  Baker, John Gilbert,  Bentham, George,  Bolander, Henry N  Booth, John Cornelius,  Brandegee, Townshend Stith,  Cactaceae  California  Carpenter, W. M  Cereus  Colorado  Coniferae  Correspondence  Engelmann, George,  Gray, Asa,  Hooker, Joseph Dalton,  Hooker, William Jackson,  Juniperus  Letters  Liliaceae  Oliver, Daniel,  Parry, C. C  Pinaceae  Royal Botanic Gardens, Kew  Sir,  Torrey, John,  Vitaceae  Vitis  Yucca  
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
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  35. Correspondence : Jones (Marcus) and Engelmann (George), 1877-1882.
    By: Jones, Marcus E.
    Contributed by: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: (Charles Christopher),  (Cyrus Guernsey),  (James Watson)  (Marcus Eugene),  (Thomas Conrad),  1801-1879  1809-1884  1822-1893  1822-1901  1823-1890  1838-1911  1852-1934  Abies  Cactaceae  Cereus  Classification  Colorado  Coniferae  Correspondence  Cupressaceae  Engelmann, George,  Fagaceae  Gentiana  Gentianaceae  Gramineae  Heuchera  Iowa  Jones, Marcus E  Letters  Liliaceae  Opuntia  Parry, C. C  Pinaceae  Plants  Porter, Thomas C  Pringle, Cyrus G  Pseudotsuga  Quercus  Robbins, J. W  Rosa  Rosaceae  Saxifregaceae  Vasey, George,  Vitaceae  Vitis  Yucca  
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
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  36. Correspondence : Martindale (Isaac) and Engelmann (George), 1870-1882.
    By: Martindale, Isaac C.,
    Contributed by: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: (Charles Christopher),  (Charles Horton),  (George Brown),  1802-1879  1809-1884  1810-1888  1817-1911  1820-1883  1822-1898  1823-1890  1826-1892  1826-1901  1829-1911  1831-1904  1833-1917  1841-1927  1842-1893  1851-1896  1878  Boltonia  Botanical specimens  Bush, Isidor,  Cactaceae  Canby, William Marriott,  Carya  Collection and preservation  Colorado  Compositae  Correspondence  Description and travel  Diseases and pests  Engelmann, George,  Euphorbia  Euphorbiaceae  Fagaceae  Goode, G. Brown  Gray, Asa,  Hooker, Joseph Dalton,  Isoetaceae  Isoetes  Juglandaceae  Juncaceae  Juncus  Letters  Lindheimer, Ferdinand,  Martindale, Isaac C.,  Meehan, Thomas,  New Jersey  Opuntia  Palmer, Edward,  Parker, Charles F  Parry, C. C  Peck, Charles H  Pinaceae  Pinus  Plants  Prunus  Quercus  Rosaceae  Sargent, Charles Sprague,  Vitaceae  Vitis  Watson, Sereno,  
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
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  37. Correspondence : Porter (Thomas) and Engelmann (George), 1851-1882.
    By: Porter, Thomas C.
    Contributed by: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: (Aubrey Henry)  (Charles Christopher),  (Charles Eastwick)  (James Watson)  (Stephen Thayer),  (Thomas Conrad),  1780-1834  1786-1859  1792-1851  1794-1873  1796-1873  1796-1878  1797-1854  1799-1880  1801-1879  1803-1873  1809-1884  1810-1888  1812-1878  1815-1891  1820-1900  1822-1882  1822-1901  1823-1887  1823-1890  1823-1891  1826-1901  1831-1904  1843-1925  1851-1928  Abies  Agave  Alismataceae  Baird, Spencer Fullerton,  Bischoff, Gottlieb Wilhelm  Botanical specimens  Brandegee, Townshend Stith,  Bucher, John Conrad,  Canby, William Marriott,  Carex  Carya  Catalogs  Collection and preservation  Colorado  Correspondence  Coulter, John Merle,  Cyperaceae  Discovery and exploration  Durand, Elias,  Durieu de Maisonneuve, Michel Charles,  Engelmann, George,  Euphorbiaceae  Fagaceae  Gramineae  Gray, Asa,  Hall, Elihu,  Isoetaceae  Isoetes  Juglandaceae  Juncaceae  Ker, Leander  Leidy, Joseph,  Letters  Liliaceae  Mead, Samuel Barnum  Meehan, Thomas,  Nuttall, Thomas,  Olney, Stephen T  Parry, C. C  Pennsylvania  Pinaceae  Pinus  Plants  Porter, Thomas C  Quercus  Robbins, J. W  
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
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  38. Correspondence : Putnam (Joseph) and Engelmann (George), 1875-1878.
    By: Putnam, Joseph Duncan,
    Contributed by: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: (Charles Christopher),  (John Lawrence),  1808-1896  1809-1884  1810-1888  1817-1893  1823-1890  1825-1883  1829-1911  1843-1925  1855-1881  Brandegee, Townshend Stith,  Colorado  Correspondence  Davenport Academy of Natural Sciences  Discovery and exploration  Engelmann, George,  Fossils  Geology  Gray, Asa,  Green, James,  Hagen, Hermann August,  LeConte, John L  Letters  Liliaceae  Lilium  Meteorology  Mormons  Observations  Palmer, Edward,  Parry, C. C  Putnam, Joseph Duncan,  Spring Lake  Study and teaching  Utah  
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
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  39. Correspondence : Robins (Charles) and Engelmann (George), 1877.
    By: Robins, C. E.
    Contributed by: Missouri Botanical Garden, Peter H. Raven Library
    Subjects:   (Charles Ephraim),  1809-1884  1832-1893  Botanical specimens  Colorado  Correspondence  Engelmann, George,  Identification  Letters  Robins, C. E  Summit County  
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
    View Book
  40. Correspondence : Syme (George) and Engelmann (George), 1879.
    By: Syme, G.
    Contributed by: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: (George),  1809-1884  1817-1911  1844-  Abies  Abies lowiana  Benthamia  California  California, Northern  Cascade Range  Colorado  Correspondence  Engelmann, George,  Fagaceae  Hooker, Joseph Dalton,  Letters  Orchidaceae  Oregon  Picea engelmannii  Pinaceae  Pinus contorta  Pinus jeffreyi  Pinus muricata  Pinus ponderosa  Pinus radiata  Plants  Quercus douglasii  Russian River  Sierra Nevada (Calif. and Nev.)  Syme, G  Wind River Range  Wyoming  
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
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  41. Correspondence : Wheeler (George) and Engelmann (George), 1876-1878.
    By: Wheeler, George M.
    Contributed by: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: (George Montague),  1809-1884  1817-1886  1826-1892  1839-1922  1842-1905  Botanical specimens  Colorado  Correspondence  Engelmann, George,  Herbarium  Letters  Rothrock, Joseph T.,  Tuckerman, Edward,  Watson, Sereno,  Wheeler, George M  
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
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  42. Correspondence : Yarrow (Harry) and Engelmann (George), 1874.
    By: Yarrow, H. C.
    Contributed by: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: (Harry Crécy),  1809-1884  1840-1929  Botanical specimens  Colorado  Correspondence  Description and travel  Engelmann, George,  Letters  Yarrow, H. C  
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
    View Book
  43. The cost of producing apples in western Colorado : a detailed study, made in 1914-15, of the current cost factors involved in the maintenance of orchards and the handling of the crop on 125 farms in the fruit regions of Mesa, Delta, and Montrose Counties /
    By: Thomson, S. M. - Miller, G. H.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1917.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Apples  Colorado  Costs  
    View Book
  44. Defoliation effects on plant production, vigor, and carbohydrate reserve status for several storage important Colorado range species : a progress report
    By: Buwai, Malami. - Trlica, M. J. - United States.
    Publication info: [Denver, Colo. :The Bureau],1974.
    Contributed by: Bureau of Land Management (archive.org)
    Subjects: Carbohydrates  Colorado  Defoliation  Growth (Plants)  Range plants  
    View Book
  45. Distribution of mammals in Colorado.
    By: Armstrong, David M.
    Publication info: Lawrence, Kan. :University of Kansas Printing Service,1972.
    Contributed by: Smithsonian Libraries
    Subjects: Colorado  Mammals  
    BHL Collections: Smithsonian Libraries
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  46. Does verbenone reduce mountain pine beetle attacks in susceptible stands of pondersoa pine? /
    By: Bentz, B. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.) - United States.
    Publication info: [Fort Collins, Colo.] :USDA Forest Service, Rocky Mountain Forest and Range Experiment Station,1989.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Colorado  Control  Diseases and pests  Mountain pine beetle  Pesticides  Ponderosa pine  South Dakota  
    View Book
  47. Economics of forage production in the mountain meadow areas of Colorado : a progress report /
    By: Hunter, Elmer C. - Colorado Agricultural Experiment Station. - United States.
    Publication info: Washington, D.C. :Agricultural Research Service, U.S. Department of Agriculture,1959.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Cattle  Colorado  Economic aspects  Feeding and feeds  Forage plants  Meadows  Ranches  
    View Book
  48. Enumeration of the species of plants collected by Dr. C.C. Parry and Messrs. Elihu Hall and J.P. Harbour during the summer and autumn of 1862 on and near the Rocky Mountains in Colorado Territory, lat. 39 - 41.
    By: Gray, Asa,
    Publication info: [Philadelphia],1863.
    Contributed by: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: Colorado  Plants  
    BHL Collections: Engelmann Herbarium
    View Book
  49. Une excursion botanique au Colorado et dans le Far West /
    By: Jones, Marcus E.
    Publication info: Liège :Secrétariat de la Fédération,1880.
    Contributed by: Mertz Library, The New York Botanical Garden
    Subjects: Colorado  Plants  Utah  
    BHL Collections: New York Botanical Garden
    View Book
  50. Experiments and suggestions for the control of the codling moth in the Grand Valley of Colorado /
    By: Siegler, E. H. - Plank, H. K. - Colorado Agricultural Experiment Station.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1921.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Codling moth  Colorado  Control  Diseases and pests  Fruit  
    View Book
  51. Fall rates of prescribed fire-killed ponderosa pine
    By: Harrington, Michael G. - Intermountain Research Station (Ogden, Utah)
    Publication info: Ogden, Utah :U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station,[1996]
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Colorado  Ponderosa pine  Prescribed burning  
    View Book
  52. Fishes of Colorado / Max M. Ellis.
    By: Ellis, Max Mapes, - University of Colorado (Boulder campus.
    Publication info: Boulder :University of Colorado,1914.
    Contributed by: Smithsonian Libraries
    Subjects: Colorado  Fishes  
    BHL Collections: Smithsonian Libraries
    View Book
  53. The flora of Boulder, Colorado, and vicinity, by Francis Potter Daniels ...
    By: Daniels, Francis Potter,
    Publication info: [Columbia, Mo.]The University of Missouri,1911.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Botany  Boulder  Colorado  
    View Book
  54. The flora of Boulder, Colorado, and vicinity.
    By: Daniels, Francis Potter,
    Publication info: [Columbia, Mo.]The University of Missouri,1911.
    Contributed by: Mertz Library, The New York Botanical Garden
    Subjects: Boulder  Colorado  Plants  
    BHL Collections: New York Botanical Garden
    View Book
  55. Flora of Colorado,
    By: Rydberg, Per Axel,
    Publication info: Fort Collins, Col.,Experiment Station,1906.
    Contributed by: Cornell University Library
    Subjects: Botany  Colorado  
    View Book
  56. Flora of Colorado, by P. A. Rydberg, PH. D.
    By: Rydberg, Per Axel,
    Publication info: Fort Collins, Col.,Experiment Station,1906.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Botany  Colorado  
    View Book
  57. Flora of Colorado, by P.A. Rydberg.
    By: Rydberg, Per Axel,
    Publication info: Fort Collins, Col.,Experiment Station,1906.
    Contributed by: Smithsonian Libraries
    Subjects: Botany  Colorado  
    BHL Collections: Smithsonian Libraries
    View Book
  58. Flora of Colorado, by P.A. Rydberg.
    By: Rydberg, Per Axel,
    Publication info: Fort Collins, Col.,Experiment Station,1906.
    Contributed by: Mertz Library, The New York Botanical Garden
    Subjects: Colorado  Floras  Plants  
    BHL Collections: New York Botanical Garden
    View Book
  59. The flora of southwestern Colorado / by T.S. Brandegee.
    By: Brandegee, Townshend Stith,
    Publication info: Washington :Dept. of the Interior, U.S. Geological and Geographical Survey of the Territories,1876.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Botany  Colorado  
    View Book
  60. Forest insect conditions in central and southern Rocky Mountains, 1960 /
    By: Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.) - United States.
    Publication info: Fort Collins, Colo. :Rocky Mountain Forest and Range Experiment Station,1960
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Colorado  Forest insects  New Mexico  Wyoming  
    View Book
  61. Forest insect conditions in the central Rocky Mountains, 1956 /
    By: Ostmark, H. Eugene. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.) - United States.
    Publication info: Fort Collins, Colo. :Rocky Mountain Forest and Range Experiment Station,1957
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Colorado  Forest insects  
    View Book
  62. The forest resource of Colorado /
    By: Miller, Robert L. - Choate, Grover A., - Intermountain Forest and Range Experiment Station (Ogden, Utah)
    Publication info: Ogden, Utah :U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station,1964.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Colorado  Forest mapping  Forests and forestry  
    View Book
  63. Fruit culture in Colorado : a manual of information.
    By: Pabor, William E.
    Publication info: Denver, Colo. :Pabor,1883.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Colorado  Fruit-culture  
    View Book
  64. Geology and mineral resource potential of the Black Ridge Canyon wilderness study area, Mesa County, Colorado : (GEM phase 2) /
    By: Toth, Margo I. - Geological Survey (U.S.)
    Publication info: [Reston, Va.?] : 1983
    Contributed by: Bureau of Land Management (archive.org)
    Subjects: Black Ridge Canyon (Colo.)  Colorado  Geological surveys  Mines and mineral resources  Prospecting  
    View Book
  65. Geology and mining industry of Leadville, Colorado : with atlas / by Samuel Franklin Emmons
    By: Emmons, Samuel Franklin, - Cross, Whitman, - Guyard, Anthony - Hillebrand, W. F. - Geological Survey (U.S.)
    Publication info: Washington [D.C.] :United States Geological Survey,1886
    Contributed by: University of California Libraries (archive.org)
    Subjects: Colorado  Geology  Leadville Region  Mines and mineral resources  Mosquito Range  
    View Book
  66. Geology and underground waters of the Arkansas Valley in eastern Colorado,
    By: Darton, N[elson] H[oratio],
    Publication info: Washington,Gov't print. off.,1906.
    Contributed by: Library of Congress
    Subjects: Arkansas River Valley  Colorado  Geology  Groundwater  
    BHL Collections: Library of Congress
    View Book
  67. Geology of the Denver basin in Colorado / by Samuel Franklin Emmons, Whitman Cross and George Homans Eldridge.
    By: Emmons, Samuel Franklin, - Cross, Whitman, - Eldridge, George Homans,
    Publication info: Washington, :Govt. Print. Off.,1896.
    Contributed by: University of Connecticut Libraries (archive.org)
    Subjects: Colorado  Geology  
    View Book
  68. A history of the birds of Colorado,
    By: Sclater, William Lutley,
    Publication info: London,Witherby & Co.,1912.
    Contributed by: Cornell University Library
    Subjects: Birds  Colorado  History  Ornithology  
    View Book
  69. A history of the birds of Colorado, by William Lutley Sclater ...
    By: Sclater, William Lutley,
    Publication info: London,Witherby & co.,1912.
    Contributed by: American Museum of Natural History Library
    Subjects: 59.82(78.8)  Birds  Colorado  History  Ornithology  
    View Book
  70. How to reseed parks and openings in the ponderosa pine zone in Colorado /
    By: Johnson, W. M. - Hull, A. C. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.) - United States.
    Publication info: Fort Collins, Colo. :Rocky Mountain Forest and Range Experiment Station,1950
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Colorado  Forest regeneration  Ponderosa pine  
    View Book
  71. Hydrologic and climatologic data, southeastern Uinta basin, Utah and Colorado : water year 1978 /
    By: Conroy, Loretta S. - United States. - Utah. Dept. of Natural Resources.
    Publication info: Salt Lake City, Utah : U.S. Dept. of the Interior, Geological Survey, 1980.
    Contributed by: Bureau of Land Management (archive.org)
    Subjects: Climate  Colorado  Hydrology  Uinta region  Uinta region (Utah and Colo.)  Utah  
    View Book
  72. Infiltration studies on ponderosa pine ranges of Colorado /
    By: Dortignac, E. J. - Love, L. Dudley - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
    Publication info: Fort Collins, Colo. :Rocky Mountain Forest and Range Experiment Station,1961
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Colorado  Plant-water relationships  Ponderosa pine  Soil moisture  
    View Book
  73. An integrated technique for evaluating root growth potential of tree seedlings /
    By: Rietveld, W. J. - Tinus, Richard W. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.) - United States.
    Publication info: [Fort Collins, Colo.] :USDA Forest Service, Rocky Mountain Forest and Range Experiment Station,1990.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Colorado  Evaluation  Growth analysis  growth rate  Measurement  Planting stock  Research  Roots  Roots (Botany)  Seedlings  Seedlings, Bareroot  Trees  
    View Book
  74. Kremmling resource management plan, record of decision /
    By: United States.
    Publication info: [Kremmling, Colo.?] :The Bureau,[1984]
    Contributed by: Bureau of Land Management (archive.org)
    Subjects: Bureau of Land Management  Colorado  Kremmling Resource Area  Land use  Management  Public lands  Range management  United States  
    View Book
  75. Life history of the codling moth in the Grand Valley of Colorado /
    By: Siegler, E. H. - Plank, H. K. - Colorado Agricultural Experiment Station.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1921.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Codling moth  Colorado  Diseases and pests  Fruit  
    View Book
  76. Lowry ruin in southwestern Colorado / Paul S. Martin ; with reports on masonry of Lowry ruin and of the Southwest, by Lawrence Roys, and skeletal material from the Lowry area, by Gerhardt von Bonin.
    By: Martin, Paul S. - Bonin, Gerhardt von, - Roys, Lawrence,
    Publication info: Chicago :Field Museum of Natural History,1936.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Antiquities  Colorado  Indians of North America  
    View Book
  77. Modified basket maker sites, Ackmen-Lowry area, southwestern Colorado, 1938 / by Paul S. Martin. With a report by John Rinaldo.
    By: Martin, Paul S. - Rinaldo, John B.
    Publication info: Chicago:Field Museum Press,1939
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Antiquities  Colorado  Indians of North America  
    View Book
  78. Mountain playgrounds of the Pike National Forest.
    By: United States.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1919.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Colorado  Forest reserves  
    View Book
  79. National forests of Colorado /
    By: United States.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1928.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Colorado  Forest reserves  
    View Book
  80. Net precipitation within small group infestations of the Mountain Pine Beetle /
    By: Schmid, J. M. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
    Publication info: [Fort Collins, Colo.] :USDA Forest Service, Rocky Mountain Forest and Range Experiment Station,[1991]
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Coleoptera  Colorado  Dendroctonus ponderosae  Diseases and pests  forest damage  forest pests  Mountain pine beetle  Scolytidae  Trees  USA  
    View Book
  81. New crocodilians from the Upper Paleocene of western Colorado / by Karl P. Schmidt --
    By: Schmidt, Karl Patterson,
    Publication info: Chicago :Field Museum of Natural History,1938.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Colorado  Crocodiles, Fossil  Paleontology  Tertiary  
    View Book
  82. New Pantodonta and Dinocerata from the Upper Paleocene of western Colorado / by Bryan Patterson --
    By: Patterson, Bryan,
    Publication info: Chicago :Field Museum of Natural History,1939.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Colorado  Eocene  Paleontology  Ungulates, Fossil  
    View Book
  83. New phytophagous Hymenoptera from the Tertiary of Florissant, Colorado / by Charles T. Brues.
    By: Brues, Charles T.
    Publication info: Cambridge, Mass. :The Museum,1908.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Colorado  Florissant  Hymenoptera, Fossil  Paleontology  Tertiary  
    View Book
  84. A new species of the fossorial mammal Arctoryctes from the Oligocene of Colorado / Charles A. Reed --
    By: Reed, Charles A.
    Publication info: [Chicago] :Chicago Natural History Museum,1956.
    Contributed by: Field Museum Library
    Subjects: Arctoryctes  Colorado  Oligocene  Paleontology  
    BHL Collections: Field Museum Library
    View Book
  85. A new turtle from the Paleocene of Colorado / Karl P. Schmidt --
    By: Schmidt, Karl Patterson,
    Publication info: [Chicago] :Chicago Natural History Museum Press ,1945.
    Contributed by: Field Museum Library
    Subjects: Colorado  Eocene  Paleontology  Turtles, Fossil  
    BHL Collections: Field Museum Library
    View Book
  86. Ninth annual report of the United States Geological and Geographical Survey of the Territories : embracing Colorado and parts of adjacent territories; being a report of progress of the exploration for the year 1875 /
    By: Geological and Geographical Survey of the Territories (U.S.) - Hayden, F. V.
    Publication info: Washington :Govt. Print. Off.,1877.
    Contributed by: Harold B. Lee Library (archive.org)
    Subjects: American bison  Colorado  Geology  Insect pests  West (U.S.)  
    View Book
  87. Oil shale tract C-b : environmental monitoring report 6/83-11/83 /
    By: C-b Shale Oil Project.
    Publication info: [Grand Junction, Colo.] :Cathedral Bluffs Shale Oil Co.,1983-
    Contributed by: Bureau of Land Management (archive.org)
    Subjects: Colorado  Environmental aspects  Environmental monitoring  Oil-shale industry  Rio Blanco County  
    View Book
  88. Oil shale tract C-b : environmental monitoring report /
    By: C-b Shale Oil Project.
    Publication info: [Grand Junction, Colo.] :Cathedral Bluffs Shale Oil Co.,1982-
    Contributed by: Bureau of Land Management (archive.org)
    Subjects: Colorado  Environmental aspects  Environmental monitoring  Oil-shale industry  Rio Blanco County  
    View Book
  89. Oil shale tract C-b : environmental monitoring report /
    By: C-b Shale Oil Project.
    Publication info: Grand Junction, Colo. :Cathedral Bluffs Shale Oil Co.,1983.
    Contributed by: Bureau of Land Management (archive.org)
    Subjects: Colorado  Environmental aspects  Environmental monitoring  Oil-shale industry  Rio Blanco County  
    View Book
  90. Oil shale tract C-b interim monitoring report,
    By: C-b Shale Oil Project.
    Publication info: [Grand Junction, Colo.] :Cathedral Bluffs Shale Oil Co.,1976-
    Contributed by: Bureau of Land Management (archive.org)
    Subjects: Colorado  Environmental aspects  Environmental monitoring  Oil-shale industry  Rio Blanco County  
    View Book
  91. On the frontier reminiscences of wild sports, personal adventures, and strange scenes / by J. S. Campion.
    By: Campion, J. S.
    Publication info: London :Chapman & Hall,1878.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Colorado  Colorado River Valley  Frontier and pioneer life  Hunting  Indians of North America  Kansas  West (U.S.)  
    View Book
  92. One day in Denver's new mountain parks ...
    By: Denver.
    Publication info: Denver,Press of Carson-Harper,c1916
    Contributed by: Library of Congress
    Subjects: Colorado  Denver  Parks  
    BHL Collections: Library of Congress
    View Book
  93. Out-door life in the Colorado National Forest.
    By: United States.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1919.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Colorado  Forest reserves  Outdoor life  Recreational use  
    View Book
  94. Out-of-door playground of the San Isabel National Forest.
    By: United States.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1919.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Colorado  Forest reserves  
    View Book
  95. Pamphlets on forestry in Colorado.
    Publication info: 1900-
    Contributed by: University of California Libraries (archive.org)
    Subjects: Colorado  Forests and forestry  
    View Book
  96. Physiographical sketch of that portion of the Rocky Mountain Range :at the head waters of South Clear Creek and east of Middle Park: with an enumeration of the plants collected in this district in the summer months of 1861 /by C.C. Parry.
    By: Parry, C. C. - Parry, Charles Christopher, - Gray, Asa,
    Publication info: New Haven :s.n.,1862?
    Contributed by: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: Colorado  Plants  Rocky Mountains  
    BHL Collections: Engelmann Herbarium
    View Book
  97. Plantae Bakerianae by Edw. L. Greene, and others.
    By: Greene, Edward Lee, - Baker, Carl F.
    Publication info: Washington, D.C. :s.n.,1901
    Contributed by: University of California Libraries (archive.org)
    Subjects: Botany  Colorado  
    View Book
  98. Plantæ Bakerianæ / by Edw. L. Greene and others.
    By: Greene, Edward Lee,
    Publication info: [Washington, D.C. :s.n.,1901.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Botany  Catalogs and collections  Colorado  Plants  
    View Book
  99. A popular flora of Denver, Colorado, / by Alice Eastwood.
    By: Eastwood, Alice,
    Publication info: San Francisco :Zoe Publishing Company ...,[1893].
    Contributed by: University of California Libraries (archive.org)
    Subjects: Botany  Colorado  Denver  Nomenclature  Plants  
    View Book
  100. A popular flora of Denver, Colorado, / by Alice Eastwood.
    By: Eastwood, Alice,
    Publication info: San Francisco :Zoe Publishing Company ...,[1893]
    Contributed by: University of California Libraries (archive.org)
    Subjects: Botany  Colorado  
    BHL Collections: Notable Women in Natural History
    View Book
  101. A preliminary list of the Hemiptera of Colorado / by C. P. Gillette and Carl [i.e. Charles] F. Baker.
    By: Gillette, C. P. - Baker, C. F. - Colorado Agricultural Experiment Station
    Publication info: Fort Collins, Colo. :American Standard,1895.
    Contributed by: Smithsonian Libraries
    Subjects: Colorado  Hemiptera  
    BHL Collections: Smithsonian Libraries
    View Book
  102. A preliminary report on the geology of the Monarch mining district, Chaffee County, Colorado / by R.D. Crawford.
    By: Crawford, R. D. - Colorado Geological Survey.
    Publication info: Boulder :Colorado Geological Survey,1910.
    Contributed by: University of British Columbia Library (archive.org)
    Subjects: Colorado  Geology  Monarch Region  
    View Book
  103. Processing potential for insect-infected Front Range forests /
    By: Sampson, George Roger, - Betters, David R. - Love, Robert, - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
    Publication info: Fort Collins, Colo. :Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture,[1980]
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Colorado  Control  Diseases and pests  Mountain pine beetle  Trees  
    View Book
  104. The procession of flowers in Colorado / by Helen Jackson.
    By: Jackson, Helen Hunt,
    Publication info: Boston :Roberts Brothers.,1897.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Colorado  Flowers  
    View Book
  105. Racing laws and rules adopted by the Colorado state racing commission ...
    By: Colorado.
    Publication info: Denver,Smith Brooks press,1914?
    Contributed by: Library of Congress
    Subjects: Colorado  Horse racing  
    BHL Collections: Library of Congress
    View Book
  106. Reminiscences of a sportsman / by J. Parker Whitney
    By: Whitney, Joel Parker,
    Publication info: New York :Forest and Stream Pub. Co.,1906
    Contributed by: University of California Libraries (archive.org)
    Subjects: 1835-1913  Biography  Colorado  Fishers  Fishing  Hunters  Hunting  Mines and mineral resources  West (U.S.)  Whitney, Joel Parker,  
    View Book
  107. Report of an investigation of the grasses of the arid districts of Kansas, Nebraska, and Colorado /
    By: Vasey, George,
    Publication info: Washington, D.C. :Dept. of Agriculture, Botanical Division,1886.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Colorado  Grasses  Kansas  Nebraska  
    View Book
  108. Report of explorations in Colorado and Utah during the summer of 1889 : with an account of the fishes found in each of the river basins examined /
    By: Jordan, David Starr,
    Publication info: Washington :G.P.O.,1889.
    Contributed by: Harold B. Lee Library (archive.org)
    Subjects: Colorado  Fishes  Utah  
    View Book
  109. Report of progress in the geological resurvey of the Cripple Creek district, Colorado / by Waldemar Lindgren and Frederick Leslie Ransome.
    By: Lindgren, Waldemar, - Ransome, Frederick Leslie,
    Publication info: Washington,Govt. Print. Off.,1904.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Colorado  Cripple Creek  Cripple Creek District  Geology  Gold mines and mining  Mines and mineral resources  
    View Book
  110. Rio Blanco Oil Shale Project. Tract C-a / [c]by Rio Blanco Oil Shale Project. no.8, Progress report :
    By: Rio Blanco Oil Shale Project. - CDM/Limnetics. - Ecology Consultants, inc. - EG & G Environmental Consultants. - Gulf Oil Corporation. - Limnetics, Inc. - NUS Corporation. - Standard Oil Company (Ind.) - Wright Water Engineers.
    Publication info: Denver, Colo. :Rio Blanco Oil Shale Project,1976.
    Contributed by: Bureau of Land Management (archive.org)
    Subjects: Colorado  Environmental aspects  Environmental monitoring  Oil-shale industry  Rio Blanco County  Rio Blanco Oil Shale Project  
    View Book
  111. Rio Grande National Forest, Colorado /
    By: United States.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1929.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Colorado  Forest reserves  
    View Book
  112. Robustness of the point-line method for monitoring basal cover /
    By: Mitchell, John E. - Bonham, Charles D., - Brady, Ward W. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.) - United States.
    Publication info: Fort Collins, Colo. :USDA Forest Service, Rocky Mountain Forest and Range Experiment Station,1994.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: basal area  Colorado  Geographical distribution  Grasses  Inventories  Measurement  Models  Plant communities  Range ecology  Rangelands  USA  Vegetation  
    View Book
  113. The Rocky Mountain wonderland,
    By: Mills, Enos Abijah,
    Publication info: Boston and New York,Houghton Mifflin company[1915]
    Contributed by: Cornell University Library
    Subjects: Colorado  Description and travel  Natural history  Outdoor books  Rocky Mountains  
    View Book
  114. The Rocky Mountain wonderland, by Enos A. Mills; with illustrations from photographs ...
    By: Mills, Enos Abijah,
    Publication info: Boston,Houghton Mifflin Company,[1915]
    Contributed by: University of California Libraries (archive.org)
    Subjects: Colorado  Description and travel  Natural history  Outdoor books  Rocky Mountains  
    View Book
  115. Root distribution of some native trees and understory plants growing on three sites within ponderosa pine watersheds in Colorado /
    By: Berndt, H. W. - Gibbons, Robert D. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.) - United States.
    Publication info: Fort Collins, Colo. :Rocky Mountain Forest and Range Experiment Station,1958
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Colorado  Roots (Botany)  Watershed management  
    View Book
  116. The small mammals of Colorado, by Edward Royal Warren.
    By: Warren, Edward Royal,
    Publication info: [Denver] :The Colorado mountain club,1921.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Colorado  Mammals  
    View Book
  117. Soils of the San Luis Valley, Colorado. By Macy H. Lapham ...
    By: Lapham, Macy H.
    Publication info: Washington,Govt. print. off.,1912.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Colorado  San Luis Valley  Soils  
    View Book
  118. The spell of the Rockies, by Enos A. Mills; with illustrations from photographs by the author.
    By: Mills, Enos Abijah,
    Publication info: Boston,Houghton Mifflin Company,1911.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Colorado  Description and travel  Mountaineering  Natural history  Outdoor books  Rocky Mountains  
    View Book
  119. A Summer vacation in the Sopris National Forest /
    By: United States.
    Publication info: Washington [D.C.] :G.P.O.,1919.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Colorado  Description and travel  Forest reserves  Holy Cross Wilderness  Holy Cross Wilderness (Colo.)  Sopris National Forest (Colo.)  
    View Book
  120. Synopsis of the flora of Colorado /by Thomas C. Porter and John M. Coulter.
    By: Porter, Thomas Conrad, - Coulter, John Merle,
    Publication info: Washington :Govt. print. off.,March 20, 1874.
    Contributed by: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: Colorado  Plants  
    BHL Collections: Engelmann Herbarium
    View Book
  121. The Tertiary insects of North America by Samuel H. Scudder.
    By: Scudder, Samuel H.
    Publication info: Washington :G.P.O.,1890.
    Contributed by: Canadiana.org (archive.org)
    Subjects: Colorado  Insects  Paleontology  Tertiary  
    View Book
  122. Timber products output in Colorado, Wyoming, and western South Dakota, 1962 /
    By: Spencer, John S. - Farrenkopf, Thomas O.
    Publication info: Ogden, Utah :Intermountain Forest & Range Experiment Station, and Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture,1964.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Colorado  Forest products  South Dakota  Timber  West (U.S.)  Wyoming  
    View Book
  123. Topographic, hypsometric, and meteorologic report, by William Libbey, jr., and W. W. McDonald, of the Princeton scientific expedition, 1877. September.
    By: Princeton Scientific Expedition - Libbey, William, - McDonald, Willard Wells,
    Publication info: New York,1879.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Colorado  Meteorology  Surveys  Utah  
    View Book
  124. Tract C-b quarterly report, no.1 /
    By: C-b Shale Oil Project.
    Publication info: [Grand Junction, Colo.] :C-b Shale Oil Venture,1975-1977.
    Contributed by: Bureau of Land Management (archive.org)
    Subjects: Colorado  Environmental aspects  Environmental monitoring  Oil-shale industry  Rio Blanco County  
    View Book
  125. Tract C-b quarterly report, no.2 /
    By: C-b Shale Oil Project.
    Publication info: [Grand Junction, Colo.] :C-b Shale Oil Venture,1975-1977.
    Contributed by: Bureau of Land Management (archive.org)
    Subjects: Colorado  Environmental aspects  Environmental monitoring  Oil-shale industry  Rio Blanco County  
    View Book
  126. Tract C-b quarterly report. no.3 /
    By: C-b Shale Oil Project.
    Publication info: Grand Junction, Colo. :C-b Shale Oil Venture,1975-1977.
    Contributed by: Bureau of Land Management (archive.org)
    Subjects: Colorado  Environmental aspects  Environmental monitoring  Oil-shale industry  Rio Blanco County  
    View Book
  127. Uncompahgre Basin proposed resource management plan and final environmental impact statement /
    By: United States.
    Publication info: [Montrose, Colo.] : Resource Area, [1988]
    Contributed by: Bureau of Land Management (archive.org)
    Subjects: Bureau of Land Management  Colorado  Land use  Planning  Public lands  Public opinion  Uncompahgre Basin Resource Area  United States  Wilderness areas  
    View Book
  128. Upper Cretaceous floras of the Rocky Mountain region / by Erling Dorf.
    By: Dorf, Erling,
    Publication info: Washington : Carnegie Institute of Washington,1838-1942.
    Contributed by: Mertz Library, The New York Botanical Garden
    Subjects: Colorado  Cretaceous  Paleobotany  Rocky Mountains  Wyoming  
    BHL Collections: New York Botanical Garden
    View Book
  129. Vacation trips in the Holy Cross National Forest.
    By: United States.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1919.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Colorado  Forest reserves  Recreational use  
    View Book
  130. West-central Colorado : forest statistics for state and private land, 1983 /
    By: Conner, Roger C. - Brown, susan S., - Intermountain Research Station (Ogden, Utah)
    Publication info: Ogden, Utah :U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station,1987.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Colorado  Forest reserves  Forests and forestry  Statistics  
    View Book
  131. Western Colorado : forest statistics for state and private land, 1983 /
    By: Angele, Frank E. - Inama, Velma S. - Intermountain Research Station (Ogden, Utah)
    Publication info: Ogden, Utah :U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station,1987.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Colorado  Forest reserves  Forests and forestry  Statistics  
    View Book
  132. Wild flowers and trees of Colorado.
    By: Ramaley, Francis,
    Publication info: Boulder,A. A. Greenman,[c1909]
    Contributed by: Cornell University Library
    Subjects: Botany  Colorado  
    View Book
  133. Wild flowers of the Rocky Mountains from original water color sketches drawn from nature by Emma Homan Thayer.
    By: Thayer, Emma Homan,
    Publication info: New York :Cassell Pub. Co.,c1889.
    Contributed by: Canadiana.org (archive.org)
    Subjects: Colorado  Description and travel  Rocky Mountains  Rocky Mountains region  Wild flowers  
    View Book
  134. Wild life on the Rockies
    By: Mills, Enos Abijah,
    Publication info: Boston ;Houghton Mifflin company,1909.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Biography  Colorado  Description and travel  Estes Park (Colo.)  History  Longs Peak (Colo.)  Natural history  Pioneers  Rocky Mountain National Park (Colo.)  Social life and customs  
    View Book
  135. Wild life on the Rockies, by Enos A. Mills; with illustrations from photographs.
    By: Mills, Enos Abijah,
    Publication info: and New York :Houghton Mifflin company,1909.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Colorado  Description and travel  Natural history  Outdoor books  Rocky Mountains  
    View Book
  136. With rod and line in Colorado waters ...
    By: France, Lewis B.,
    Publication info: Denver,Chain, Hardy & co.,1884.
    Contributed by: Library of Congress
    Subjects: Colorado  Fishing  
    BHL Collections: Library of Congress
    View Book
  137. Zoology of Colorado, by Theodore D.A. Cockerell ...
    By: Cockerell, Theodore D. A.
    Publication info: Boulder, Col.,University of Colorado,1927.
    Contributed by: MBLWHOI Library
    Subjects: Colorado  Zoology  
    BHL Collections: MBLWHOI Library, Woods Hole
    View Book
  1. From documents to datasets: A MediaWiki-based method of annotating and extracting species observations in century-old field notebooks
    By: Thomer, Andrea - Vaidya, Gaurav - Guralnick, Robert - Bloom, David - Russell, Laura
    Type: Article
    In: ZooKeys
    Volume: 209
    Date: 2012
    Page Range: 235-253
    Publication info: Pensoft Publishers 2012
    Subjects: annotation  Biodiversity  Colorado  crowd sourcing  Darwin Core  Digitization  Field notes  Junius Henderson  Natural history  Notebooks  species occurrence records  taxonomic referencing  text-mining  transcription  Wikisource  
    View Article (External)
  2. Review of the Acontia areli group with descriptions of three new species (Lepidoptera, Noctuidae, Acontiinae)
    By: Ferris, Clifford - Lafontaine, Donald
    Type: Article
    In: ZooKeys
    Volume: 9
    Date: 2009
    Page Range: 27-46
    Publication info: Pensoft Publishers 2009
    Subjects: Acontia albifusa  Acontia areletta  Acontia areli  Acontia areloides  Acontia geminocula  Acontia toddi  Arizona  California  Colorado  Mexico  Nevada  New Mexico  taxonomy  Texas  USA  Utah  Wyoming  
    View Article (External)
  3. A revision of the genus Hypotrix Guenee in North America with descriptions of four new species and a new genus (Lepidoptera, Noctuidae, Noctuinae, Eriopygini)
    By: Lafontaine, Donald - Ferris, Clifford - Walsh, J.
    Type: Article
    In: ZooKeys
    Volume: 39
    Date: 2010
    Page Range: 225-253
    Publication info: Pensoft Publishers 2010
    Subjects: Anhypotrix  Arizona  Brazil  Colorado  Hexorthodes  Hypotrix  Mexico  New Mexico  Proteinania  taxonomy  Texas  Trichagrotis  Trichorthosia  Ursogastra  Utah  
    View Article (External)