United States. Forest Service. Eastern Region, Geological Survey (U.S.), & Geometronics Service Center (U.S.). (1986). Monongahela National Forest, 7.5 minute series (topographic). The Survey.
Chicago Style (17th ed.) CitationUnited States. Forest Service. Eastern Region, Geological Survey (U.S.), and Geometronics Service Center (U.S.). Monongahela National Forest, 7.5 Minute Series (topographic). Reston, Va.: The Survey, 1986.
MLA (9th ed.) CitationUnited States. Forest Service. Eastern Region, et al. Monongahela National Forest, 7.5 Minute Series (topographic). The Survey, 1986.
Warning: These citations may not always be 100% accurate.