Geological Survey (U.S.), Kentucky Geological Survey, & Wolcott, D. E. (1974). Geologic map of part of the Jenkins east quadrangle, Pike and Letcher counties, Kentucky. The Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), Kentucky Geological Survey, and Don E. Wolcott. Geologic Map of Part of the Jenkins East Quadrangle, Pike and Letcher Counties, Kentucky. Reston, Va.: The Survey, 1974.
MLA (9th ed.) CitationGeological Survey (U.S.), et al. Geologic Map of Part of the Jenkins East Quadrangle, Pike and Letcher Counties, Kentucky. The Survey, 1974.
Warning: These citations may not always be 100% accurate.