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  1. By: Cuplin, Paul. - Armour, Carl L. - Corning, Raymond V. - Duff, Donald A. - Oakley, Arthur L. - United States. Bureau of Land Management.
    Publication info: [Denver, Colo.] :U.S. Department of the Interior, Bureau of Land Management,1974.
    Holding Institution: Bureau of Land Management (archive.org)