Hansen, D. E. (1976). Geologic map of the Sacramento quadrangle, Western Kentucky. U.S. Geological Survey.
Chicago Style (17th ed.) CitationHansen, Dan E. Geologic Map of the Sacramento Quadrangle, Western Kentucky. Reston, Va.: U.S. Geological Survey, 1976.
MLA (9th ed.) CitationHansen, Dan E. Geologic Map of the Sacramento Quadrangle, Western Kentucky. U.S. Geological Survey, 1976.
Warning: These citations may not always be 100% accurate.