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  1. By: Call, Mayo W. - Hayden-Wing Associates. - Barrett Resources Corporation. - United States. Bureau of Land Management. Casper District. - United States. Bureau of Land Management. Platte River Resource Area.
    Publication info: Afton, Wyo, Mayo W. Call, 1995
    Holding Institution: Bureau of Land Management
  2. By: Exxon Company U.S.A. - Hayden-Wing Associates. - Wyoming. Game and Fish Dept.
    Publication info: Sheridan, Wyo, Hayden-Wing Associates, [1990]
    Holding Institution: Bureau of Land Management