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  1. Amphibian, reptile and northern bog lemming survey on the Rocky Mountain Front : 1996 /
    By: Reichel, James D. - Lewis and Clark National Forest (Agency : U.S.) - Montana Natural Heritage Program. - Montana. Dept. of Fish, Wildlife, and Parks. Region 4. - United States. Bureau of Land Management. - United States. Bureau of Land Management. Great Falls Resource Area.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,c1997.
    Holding Institution: Montana State Library (archive.org)
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  2. Results of boreal owl (Aegolius funereus) surveys on the Jefferson Division of the Lewis & Clark National Forest /
    By: Carlson, John C. - Lewis and Clark National Forest (Agency : U.S.) - Lewis and Clark National Forest (Mont.) - Montana Natural Heritage Program.
    Publication info: Helena, MT :Montana Natural Heritage Program,[1991]
    Holding Institution: Montana State Library (archive.org)
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