Amos, D. H. (1966). Geologic map of the Golconda quadrangle, Kentucky-Illinois, and the part of the Brownfield quadrangle in Kentucky. U.S. Geological Survey.
Chicago Style (17th ed.) CitationAmos, Dewey Harold. Geologic Map of the Golconda Quadrangle, Kentucky-Illinois, and the Part of the Brownfield Quadrangle in Kentucky. Washington, D.C.: U.S. Geological Survey, 1966.
MLA (9th ed.) CitationAmos, Dewey Harold. Geologic Map of the Golconda Quadrangle, Kentucky-Illinois, and the Part of the Brownfield Quadrangle in Kentucky. U.S. Geological Survey, 1966.
Warning: These citations may not always be 100% accurate.