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  1. Harlequin duck surveys in western Montana : 1995 /
    By: Reichel, James D. - Genter, David Leon. - Glacier National Park (Agency : U.S.) - Helena National Forest (Agency : U.S.) - Kootenai National Forest (Agency : U.S.) - Montana Natural Heritage Program. - Montana.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,c1996.
    Contributed by: Montana State Library (archive.org)
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  2. Preliminary results of an inventory of Algal Cave, Glacier National Park, Montana, for aquatic cave invertebrates / submitted by Paul Hendricks; a report to Glacier National Park.
    By: Hendricks, P. - Canon U.S.A., Inc. - Glacier National Park (Agency : U.S.) - Montana Natural Heritage Program.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,c2000.
    Contributed by: Montana State Library (archive.org)
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  3. Terrestrial mollusk surveys in Glacier National Park during 2008, including an illustrated key to all documented species /
    By: Hendricks, Paul, - Glacier National Park (Agency : U.S.) - Montana Natural Heritage Program.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,c2009.
    Contributed by: Montana State Library (archive.org)
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