Author
Kentucky Geological Survey
23 results
Geological Survey (U.S.)
22 results
Smith, Avery E.
7 results
Johnson, William D., Jr
6 results
Calvert, Ronald H.
3 results
Goudarzi, Gus H. (Gus Hossein), 1918-
3 results
Norris, Ronald L. (Ronald Lee)
3 results
Ray, Louis L. (Louis Lamy), 1909-
2 results
Spencer, Frank Darwyn, 1904-
2 results
Bowen, Richard L.
1 results
Bruce, Clemont H.
1 results
Carpenter, Gordon L.
1 results
Fairer, G. M.
1 results
Norris, Ronald L.
1 results