Geological Survey (U.S.), United States. Bureau of Land Management, Luft, S. J., & Heffern, E. L. (1986). Photogeologic and reconnaissance geologic map of the First Creek quadrangle, Custer County, Montana. The Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), United States. Bureau of Land Management, Stanley Jeremie Luft, and Edward L. Heffern. Photogeologic and Reconnaissance Geologic Map of the First Creek Quadrangle, Custer County, Montana. Reston, Va.: The Survey, 1986.
MLA (9th ed.) CitationGeological Survey (U.S.), et al. Photogeologic and Reconnaissance Geologic Map of the First Creek Quadrangle, Custer County, Montana. The Survey, 1986.
Warning: These citations may not always be 100% accurate.