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  1. By: Weigand, John P.
    Publication info: Helena :Montana Dept. of Fish and Game,1977.
    Holding Institution: Montana State Library (archive.org)
    Subjects: Birds  Montana  Perdix perdix  Upland game bird management  
  2. By: Call, Mayo W. - United States. b Bureau of Land Management.
    Publication info: Denver, Colo. : Bureau of Land Management, U.S. Dept. of the Interior, [1979]
    Holding Institution: Bureau of Land Management (archive.org)
    Subjects: Effect of habitat modification on  Habitat selection  Sage grouse  Upland game bird management  West (U.S.)  Wildlife habitat improvement