Assessing the natural range of variability in minimally disturbed wetlands across the Rocky Mountains : the Rocky Mountain ReMAP project - Montana Natural Heritage Program. (Montana Natural Heritage Program, 2012)

An assessment of potential conflicts between nesting raptors and human activities in the Long Pines area of southeastern Montana : with special emphasis on uranium development : final report - Allen, George T. (George Thomas) (Bureau of Baseline Studies, Montana Dept. of Fish and Game, 1979)

Assessment of the Red Rock River subbasin and wetlands of the Centennial Valley - United States. Bureau of Land Management. (Montana Natural Heritage Program, 2009)

Assessment report on sulphur dioxide for developing ambient air quality objectives : effects on vegetation - Alberta. Alberta Environment. (Alberta Environment, 2004)

Atala - Xerces Society. (Xerces Society, 1973)

Atlas of Adirondack caterpillars : with a host list, rearing notes, and a selected bibliography of works depicting caterpillars - McCabe, Timothy Lee. (University of the State of New York, State Education Dept., New York State Museum, Division of Research and Collections, 1991)

Atlas of American agriculture : Advance sheets. 1-8 - United States. Department of Agriculture. (Government Printing Office, 1917)

Atlas of United States trees. volume 2, Alaska trees and common shrubs - Little, Elbert L. (Elbert Luther), 1907 -2004 (U.S. Dept. of Agriculture, Forest Service, 1975)

Atlas of United States trees. volume 6, Supplement - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, 1981)

Atlas of United States trees. volume 1, Conifers and important hardwoods - Little, Elbert L. (Elbert Luther), 1907 -2004 (U.S. Dept. of Agriculture, Forest Service, 1971)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1890)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1894)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1876)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1909)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1914)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1915)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1918)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1919)

The Avicultural magazine - Avicultural Society. (Avicultural Society, etc, 1994)

Avifauna associated with early growth vegetation on clearcuts in the Oregon Coast Ranges - Pacific Northwest Forest; Range Experiment Station (Portland, Or.) (Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service, 1983)

Azaleas, rhododendrons, kalmias, pieris, hemlocks, lilies, trilliums, cypripediums : surplus at very low prices, early spring shipment, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1932)

The bacteriology of diphtheria, including sections on the history, epidemiology and pathology of the disease, the mortality caused by it, the toxins and antitoxins and the serum disease - Bolduan, Charles, 1873 -1950 (University Press, 1913)

Bailey-Wetmore Wood Collection slide ledger - Bailey-Wetmore Wood Collection. (1935)

Baltimore county - Bauer, L. A. (Louis Agricola), 1865 -1932 (The Johns Hopkins press, 1929)

Banisteria : a journal devoted to the natural history of Virginia - Virginia Natural History Society. (Virginia Natural History Society, 2011)

Bartonia;proceedings of the Philadelphia botanical club ... - Philadelphia Botanical Club. (Philadelphia Botanical Club, Academy of Natural Sciences, 1908)

Bartonia;proceedings of the Philadelphia botanical club ... - Philadelphia Botanical Club. (Philadelphia Botanical Club, Academy of Natural Sciences, 1929)

Bartonia;proceedings of the Philadelphia botanical club ... - Philadelphia Botanical Club. (Philadelphia Botanical Club, Academy of Natural Sciences, 1957)

Bartonia;proceedings of the Philadelphia botanical club ... - Philadelphia Botanical Club. (Philadelphia Botanical Club, Academy of Natural Sciences, 1973)

Bartonia;proceedings of the Philadelphia botanical club ... - Philadelphia Botanical Club. (Philadelphia Botanical Club, Academy of Natural Sciences, 1986)

Bartonia;proceedings of the Philadelphia botanical club ... - Philadelphia Botanical Club. (Philadelphia Botanical Club, Academy of Natural Sciences, 1993)

Bartonia;proceedings of the Philadelphia botanical club ... - Philadelphia Botanical Club. (Philadelphia Botanical Club, Academy of Natural Sciences, 1996)

Bartonia;proceedings of the Philadelphia botanical club ... - Philadelphia Botanical Club. (Philadelphia Botanical Club, Academy of Natural Sciences, 2000)

Basal bark application of Release (TM) herbicide for mixedwood management 1996 interim report - Alberta. Alberta Environmental Protection. (Alberta Environmental Protection, 1997)

Le bassin méridional de la baie d'Hudson - Langelier, J. C. (Jean Chrysostome), 1845 -1910 (J. Dussault, 1887)

Bats in the Bear Lodge Mountains and surrounding areas in Northeastern Wyoming - Geluso, Keith (Museum of Texas Tech University, 2018)

Bats of the Chiricahua Mountains, Cochise County, Arizona - Cockrum, E. Lendell (American Museum of Natural History, 1959)

The Bay State Nurseries [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.H. Wyman, 1911)

The Bay State Nurseries [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Windsor H. Wyman, 1910)

Beach grass - Townsend, Charles Wendell, 1859 -1934 (Marshall Jones Co, 1923)

Beartooth-Absaroka wildlife-mining research : Federal Aid to Fish and Wildlife Restoration Project FW-2-R-5, Montana Department of Fish and Game, Environment and Information Division, final report, June 1977 - Stewart, Phillip A. ([Montana Dept. of Fish and Game?], 1977)

Beautify your home with Empire plantings : evergreens, shrubs & fruit trees, garden seed, flower seed, grass seed, comm. fertilizer, sheep manure, poultry feed & supplies [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Empire Nursery & Seed Co, 1928)

Beaver habits, beaver control, and possibilities in beaver farming - Bailey, Vernon, 1864 -1942 (U.S. Dept. of Agriculture, 1922)

Beaverhead-Deerlodge National Forest Tobacco Root vegetation management plan : draft environmental impact statement, Madison County, Montana - Beaverhead-Deerlodge National Forest (Agency : U.S.) (USDA, Forest Service, Beaverhead-Deerlodge National Forest, 1999)

Beihefte zum Botanischen Centralblatt. Abteilung B, Systematik, Pflanzengeographie, angewandte Botanik, etc (Verlag von C. Heinrich, 1891)

Beihefte zum botanischen Centralblatt (Verlag von Gebrüder Gotlhelft, 1891)

Beihefte zum Botanischen Centralblatt. Abteilung B, Systematik, Pflanzengeographie, angewandte Botanik, etc (Verlag von C. Heinrich, 1892)

Beihefte zum botanischen Centralblatt (Verlag von Gebrüder Gotlhelft, 1897)

Beihefte zum Botanischen Centralblatt. Abteilung B, Systematik, Pflanzengeographie, angewandte Botanik, etc (Verlag von C. Heinrich, 1895)

Beihefte zum Botanischen Centralblatt. Abteilung B, Systematik, Pflanzengeographie, angewandte Botanik, etc (Verlag von C. Heinrich, 1897)

Beiträge zur Biologie der Pflanzen (Duncker & Humblot [etc.], 1870)

Below-ground ecology of boreal forests in the Hondo-Lesser Slave Lake area, Alberta - University of Alberta. Department of Botany. (University of Alberta, Dept. of Botany, 1984)

Bergen's botany, key and flora. Northern and central states ed - Bergen, Joseph Y. (Joseph Young), 1851 -1917 (Ginn, 1908)

Bergey's manual of determinative bacteriology - American Society for Microbiology. (Williams & Wilkins Co, 1957)

Bericht u¨ber die Leistungen in der Pflanzengeographie wa¨hrend des Jahres 1843-[1853] - Grisebach, A. (August), 1814 -1879 (Verlag der Nicolai'schen Buchh, 1843)

Berichte der Deutschen Botanischen Gesellschaft - Deutsche Botanische Gesellschaft. (Gebrüder Borntræger, 1891)

Berichte der Deutschen Botanischen Gesellschaft - Deutsche Botanische Gesellschaft. (Gebrüder Borntræger, 1895)

BIA forest lands of North and South Dakota, 1996 - Haugen, David E. (U.S. Dept. of Agriculture, Forest Service, North Central Research Station, 2002)

Bibliographical catalogue of the described tranformations of North American Lepidoptera - Edwards, Henry, 1827 -1891 (G.P.O, 1889)

Bibliography of agriculture. Section E, Forestry (U.S. Dept. of Agriculture Library, 1942)

Bibliography of cultivated trees and shrubs hardy in the cooler temperate regions of the Northern Hemisphere - Rehder, Alfred, 1863 -1949 (Arnold Arboretum of Harvard Univ, 1949)

Bibliography of vascular plant floristics for New Brunswick, Newfoundland (insular) and Nova Scotia - Catling, Paul M. (Research Branch, Agriculture Canada, 1986)

A bibliography on forest genetics and forest tree improvement, 1955 - Wright, J. W. (Northeastern Forest Experiment Station, 1957)

Bidrag til kundskab om Egefamilien i nutid og fortid. [1. afsnit] - Ørsted, A. S. (Anders Sandøe), 1816 -1872 (Bianco Lunos Bogtr, 1871)

Biennial report - Montana. State Forester. (1923)

Biennial report - Montana. State Forester. (1920)

The bighorn sheep of the Sheep River Valley - University of Alberta. (University of Alberta, 1958)

Bihang till Kongl. Svenska vetenskaps-akademiens handlingar - Kungl. Svenska vetenskapsakademien. (K. Svenska vetenskaps-akademien, 1888)

Billings Resource Area final environmental impact statement : resource management plan - United States. Bureau of Land Management. (U.S. Department of the Interior, Bureau of Land Management, 1983)

Biltmore Nursery, Biltmore, N.C - Biltmore Nursery (Biltmore, N.C.) (Biltmore Nursery, 1908)

Biltmore Nursery, Biltmore, N.C - Biltmore Nursery (Biltmore, N.C.) (Biltmore Nursery, 1912)

Biltmore Nursery, Biltmore, N.C - Biltmore Nursery (Biltmore, N.C.) (Biltmore Nursery, 1907)

Binomial and trinomial index to The auk, 1884-1940, also including the Nuttall bulletin, 1876-1883, and the A.O.U. check-list of North American birds (all seven editions) - Pollock, Andrew W. ([Andrew W. Pollock III], 2015)

La biodiversidad en Aguascalientes : estudio de estado - Cruz Angón, Andrea (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2008)

La biodiversidad en Chihuahua : estudio de estado - Barajas, Nélida (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2014)

La biodiversidad en Coahuila estudio de estado - Cruz Angón, Andrea (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2018)

La biodiversidad en Durango estudio de estado - Cruz Angón, Andrea (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2017)

La biodiversidad en Guanajuato: estudio de Estado - Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO) (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2012)

La biodiversidad en Jalisco estudio de estado - Cruz Angón, Andrea (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2017)

La biodiversidad en Michoacán: estudio de estado - Leal Nares, Oscar Adrián (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2005)

La biodiversidad en Michoacán estudio de estado 2 - Cruz Angón, Andrea (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2019)

Biodiversity and representativeness of research natural areas on national wildlife refuges in Montana, designated areas within Benton Lake, Charles M. Russell, Lake Mason, Medicine Lake, and Red Rock Lakes National Wildlife Refuges : final report - U.S. Fish; Wildlife Service (Montana Natural Heritage Program, 1999)

Biodiversity in harvested areas in relation to standing live trees and snags : update 1997/98 - Alberta. Alberta Environmental Protection. (Alberta Environmental Protection, 1998)

The biogeochemistry of blue, snow, and Ross' geese - Hanson, Harold C. (Harold Carsten), 1917 -2003 (Published by Southern Illinois University Press for the Illinois Natural History Survey, 1976)

The Biological bulletin - Marine Biological Laboratory (Woods Hole, Mass.) (Marine Biological Laboratory, 2003)

Biological control of arthropod pests of the northeastern and north central forests in the United States : a review and recommendations - Van Driesche, Roy (USDA, Forest Service, Forest Health Technology Enterprise Team, 1996)

Biological investigation in Alaska and Yukon territory : I. East Central Alaska. II. The Ogilvie range, Yukon. III. The Macmillan River, Yukon - Osgood, Wilfred Hudson, 1875 -1947 (Government Printing Office, 1909)

A biological investigation of the Athabaska-Mackenzie region - Merriam, C. Hart (Clinton Hart), 1855 -1942 (Govt. print. off, 1908)

A biological investigation of the Hudson Bay region - Merriam, C. Hart (Clinton Hart), 1855 -1942 (Govt. Print. Off, 1902)

Biological series - University of Toronto. (University Press [etc.], 1898)

Biological survey of a prairie landscape in Montana's glaciated plains : final report - United States. Bureau of Land Management. (Montana Natural Heritage Program, 2001)

A biological survey of Colorado - United States. Bureau of Biological Survey. (Government Printing Office, 1911)

Biological survey of Texas : Life zones, with characteristic species of mammals, birds, reptiles, and plants. Reptiles, with notes of distribution. Mammals, with notes on distribution, habits and economic importance - Merriam, C. Hart (Clinton Hart), 1855 -1942 (G.P.O, 1905)

Biological survey of the Mount Desert Region - Blake, Charles Henry, 1901 -1981 (The Wistar Institute of Anatomy and Biology, 1938)