Billings and Pompeys Pillar National Monument proposed resource management plan and final environmental impact statement

Corporate Author:: United States. Bureau of Land Management. Billings Field Office
Published:: [Billings, Montana] : U.S. Department of the Interior, Bureau of Land Management, Billings Field Office, [2015]
Physical Description:: 1 online resource (3,094 unnumbered pages) : color illustrations, color maps + 188 color maps