Author
Geological Survey (U.S.)
296
Kentucky Geological Survey
187
Geological Survey (U.S.),
159
Kentucky Natural Resources and Environmental Protection Cabinet
24
Kentucky Geological Survey,
19
United States. Bureau of Mines
19
Louisville and Jefferson County Metropolitan Sewer District
17
Mull, D. S. 1933-
15
Kepferle, Roy Clark, 1926-
14
Englund, Kenneth John, 1923-
13
Evaldi, R. D.
13
Peterson, Warren Lee, 1925-
13
Rice, Charles L.
13
Cressman, Earle Rupert, 1923-
12
Kentucky Natural Resources and Environmental Protection Cabinet. Division of Water
12
Trace, Robert Denny, 1917-
12
Lewis, Richard Quintin, 1919-
10
United States. Bureau of Labor Statistics
10
United States. Department of the Army
10
Crain, Angela S.
9
Davis, R. W. 1927-
9
Illinois State Geological Survey
9
Martin, Gary R.
9
Weir, Gordon W. 1922-2011
9
White, Kevin D. 1958-
9
Amos, Dewey Harold, 1925-
8
Lyverse, M. A.
8
Moore, Brian L., 1948-
8
United States. Environmental Protection Agency
8
United States. National Park Service,
8
Unthank, Michael D.
8
Black, Douglas F. B.
7
Hall, F. R., 1925-2017
7
Kentucky. Agricultural and Industrial Development Board
7
Martin, Gary R.,
7
Palmquist, W. N. 1923-
7
Smith, Avery E.
7
Swadley, W. C.
7
United States. Army. Corps of Engineers. Louisville District
7
United States. Congress. House. Committee on Transportation and Infrastructure
7
Faust, Robert J.
6
Kentucky. Department of Economic Development
6
Lambert, T. Wm. 1929-1999
6
Luft, Stanley Jeremie, 1927-
6
Moore, Frank B. 1912-
6
Outerbridge, William F.
6
Ruhl, Kevin J.
6
Sholar, Clyde J.
6
U.S. Fish and Wildlife Service
6
United States. Administration on Aging
6
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