Geological Survey (U.S.) & Biewick, L. H. (1998). Land status and federal mineral ownership in the Powder River Basin, Wyoming and Montana: A digital data set for geographic information systems. U.S. Dept. of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and Laura H. Biewick. Land Status and Federal Mineral Ownership in the Powder River Basin, Wyoming and Montana: A Digital Data Set for Geographic Information Systems. [Denver, Colo.?]: U.S. Dept. of the Interior, U.S. Geological Survey, 1998.
MLA (9th ed.) CitationGeological Survey (U.S.) and Laura H. Biewick. Land Status and Federal Mineral Ownership in the Powder River Basin, Wyoming and Montana: A Digital Data Set for Geographic Information Systems. U.S. Dept. of the Interior, U.S. Geological Survey, 1998.