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  1. The forests of Washington County,
    By: Maryland. - Besley, Fred Wilson.
    Publication info: Baltimore, Md.,1922.
    Contributed by: Library of Congress
    Subjects: Forests and forestry  Maryland  Washington County  
    BHL Collections: Library of Congress
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  2. Natural area inventory of Washington County, North Carolina /
    By: Lynch, J. Merrill. - Peacock, S. Lance. - North Carolina.
    Publication info: [Raleigh] :North Carolina Coastal Energy Impact Program, Office of Coastal Management, North Carolina Department of Natural Resources and Community Development,1982.
    Contributed by: State Library of North Carolina (archive.org)
    Subjects: Natural areas  North Carolina  Washington County  Washington County (N.C.)  
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  3. On the fauna of the Lower Carboniferous limestones of Spergen Hill, Ind., with a revision of the descriptions of its fossils hitherto published, and illustrations of the species from the original type series. Bulletin of the AMNH ; v. 1, article 5.
    By: Whitfield, Robert Parr, 1828-1910.
    Publication info: New York : [American Museum of Natural History] 1882
    Contributed by: American Museum of Natural History Library
    Subjects: Carboniferous  Indiana  Invertebrates, Fossil  Mollusks, Fossil  Paleontology  Washington County  
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  4. Specific status of the North American fence lizards, Sceloporus undulatus and Sceloporus occidentalis, with comments on chromosome variation. American Museum novitates ; no. 2768
    By: Cole, Charles J.
    Publication info: New York, N.Y. : American Museum of Natural History 1983
    Contributed by: American Museum of Natural History Library
    Subjects: Chromosomes  cytotaxonomy  Genetics  Lizards  North America  Reptiles  Sceloporus  Sceloporus occidentalis  Sceloporus undulatus  Utah  Washington County  
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  5. Vegetation of the Hixon Columbian sharp-tailed grouse habitat management plan area, Washington County, Idaho /
    By: Mancuso, Michael. - Moseley, Robert. - Idaho. - Nature Conservancy (U.S.) - United States.
    Publication info: Boise, Idaho : Bureau of Land Management, Idaho State Office, [1997]
    Contributed by: Bureau of Land Management (archive.org)
    Subjects: Habitat  Idaho  Plant communities  Sharp-tailed grouse  Vegetation classification  Washington County  
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