1. Geologic map of parts of the Alton and Derby quadrangles, Meade and Breckinridge Counties, Kentucky
1970. 2012-02-29T16:06:36Z. 2012-02-29T16:06:36Z. Amos, Dewey Harold, 1925-. U.S. Geological Survey. English. Public. Kentucky, Meade County, and Breckinridge County.