Moore, S. L. (1978). Geologic map of the Gravel Switch quadrangle, central Kentucky. U.S. Geological Survey.
Chicago Style (17th ed.) CitationMoore, Samuel L. Geologic Map of the Gravel Switch Quadrangle, Central Kentucky. Reston, Va.: U.S. Geological Survey, 1978.
MLA (9th ed.) CitationMoore, Samuel L. Geologic Map of the Gravel Switch Quadrangle, Central Kentucky. U.S. Geological Survey, 1978.
Warning: These citations may not always be 100% accurate.