United States. Forest Service. (2012). Establishment and modification of national forest boundaries and national grasslands: A chronological record, 1891-2012. United States Department of Agriculture, Forest Service, Lands and Realty Management Staff.
Chicago Style (17th ed.) CitationUnited States. Forest Service. Establishment and Modification of National Forest Boundaries and National Grasslands: A Chronological Record, 1891-2012. Washington, D.C.: United States Department of Agriculture, Forest Service, Lands and Realty Management Staff, 2012.
MLA (9th ed.) CitationUnited States. Forest Service. Establishment and Modification of National Forest Boundaries and National Grasslands: A Chronological Record, 1891-2012. United States Department of Agriculture, Forest Service, Lands and Realty Management Staff, 2012.