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By: Wilson, Lanny O. - Polenz, Allan - Sands, Alan. - Blaisdell, James P. (James Pershing), - Van Dyke, Walter A. - United States. Bureau of Land Management.Edition:Publication info: [Place of publication not identified], U.S. Department of the Interior, Bureau of Land Management, 1978?Volume:Series:Holding Institution: Bureau of Land ManagementSubjects: Bighorn sheep Habitat Management North America Rocky Mountain bighorn sheepBHL Collections: