Prostka, H. J. (1965). Geology of the Hyden East quadrangle, Kentucky. U.S. Geological Survey.
Chicago Style (17th ed.) CitationProstka, Harold J. Geology of the Hyden East Quadrangle, Kentucky. Washington, D.C.: U.S. Geological Survey, 1965.
MLA (9th ed.) CitationProstka, Harold J. Geology of the Hyden East Quadrangle, Kentucky. U.S. Geological Survey, 1965.
Warning: These citations may not always be 100% accurate.