United States. Forest Service. Rocky Mountain Region. (1989). National forests and national grasslands of the Rocky Mountain Region. U.S. Dept. of Agriculture, Forest Service.
Chicago Style (17th ed.) CitationUnited States. Forest Service. Rocky Mountain Region. National Forests and National Grasslands of the Rocky Mountain Region. [Denver, Colo.?]: U.S. Dept. of Agriculture, Forest Service, 1989.
MLA (9th ed.) CitationUnited States. Forest Service. Rocky Mountain Region. National Forests and National Grasslands of the Rocky Mountain Region. U.S. Dept. of Agriculture, Forest Service, 1989.
Warning: These citations may not always be 100% accurate.