Englund, K. J., & Windolph, J. F. (1975). Geologic map of the Olive Hill quadrangle, northeastern Kentucky. U.S. Geological Survey.
Chicago Style (17th ed.) CitationEnglund, Kenneth John, and John F. Windolph. Geologic Map of the Olive Hill Quadrangle, Northeastern Kentucky. Reston, Va.: U.S. Geological Survey, 1975.
MLA (9th ed.) CitationEnglund, Kenneth John, and John F. Windolph. Geologic Map of the Olive Hill Quadrangle, Northeastern Kentucky. U.S. Geological Survey, 1975.
Warning: These citations may not always be 100% accurate.