1973. 2012-03-30T18:01:11Z. 2012-05-03T15:34:47Z. Froelich, A. J. (Albert Joseph), 1929-. U.S. Geological Survey. English. Public. Kentucky, Harlan County, and Letcher County.
Search Results
2. Geologic map of the Blackey quadrangle, Letcher and Knott counties, Kentucky [cartographic material]
1976. 2012-05-23T17:32:05Z. 2012-06-07T16:54:51Z. Waldrop, Henry A. U.S. Geological Survey. English. Public. Kentucky, Knott County, and Letcher County.
1973. 2012-04-13T15:42:16Z. 2012-04-16T15:59:12Z. Rice, Charles L. U.S. Geological Survey. English. Public. Kentucky, Letcher County, Pike County, Virginia, and Wise County.
4. Geologic map of the Mayking quadrangle, Letcher and Knott counties, Kentucky [cartographic material]
1976. 2012-05-07T17:40:23Z. 2012-05-16T15:47:02Z. Rice, Charles L. U.S. Geological Survey. English. Public. Kentucky, Letcher County, and Knott County.
5. Geologic map of the Roxana quadrangle, Letcher and Harlan counties, Kentucky [cartographic material]
1976. 2012-05-07T15:19:37Z. 2012-05-16T15:46:52Z. Maughan, Edwin K., 1926-1995. U.S. Geological Survey. English. Public. Kentucky, Letcher County, and Harlan County.
1965. 2011-12-20T15:10:28Z. 2012-03-05T17:26:24Z. U.S. Geological Survey. English. Public. Kentucky, Letcher County, Perry County, and U.S.
1973. 2012-04-13T14:45:54Z. 2021-09-27T17:29:27Z. Rice, Charles L. U.S. Geological Survey. English. Public. Kentucky, Letcher County, Virginia, and Wise County.
