United States. Forest Service. Northern Region, Geological Survey (U.S.), & Geometronics Service Center (U.S.). (1990). Beaverhead National Forest: 7.5 minute series (topographic). USDA Forest Service, Northern Region.
Chicago Style (17th ed.) CitationUnited States. Forest Service. Northern Region, Geological Survey (U.S.), and Geometronics Service Center (U.S.). Beaverhead National Forest: 7.5 Minute Series (topographic). [Missoula, Mont.]: USDA Forest Service, Northern Region, 1990.
MLA (9th ed.) CitationUnited States. Forest Service. Northern Region, et al. Beaverhead National Forest: 7.5 Minute Series (topographic). USDA Forest Service, Northern Region, 1990.
Warning: These citations may not always be 100% accurate.