Geological Survey (U.S.), 64
Geological Survey (U.S.) 39
Kentucky Geological Survey 22
Ross, Reuben James, 1918- 22
Pojeta, John, Jr 6
Ryder, Robert T. 6
Kentucky Geological Survey, 5
Churkin, Michael, 1932- 4
Hayes, Philip T. 1923- 4
Hobbs, S. W. 1911- 4
Neuman, Robert B., 1920- 4
Pojeta, John, Jr., 4
Weir, Gordon W. 1922-2011, 4
Berdan, Jean Milton 3
Berry, William B. N. 3
Cressman, Earle Rupert, 1923- 3
Hays, William Henry, 1922- 3
Hintze, Lehi F. 3
Karklins, Olgerts L., 1924- 3
Repetski, John E. 3
Sando, William Jasper 3
Whittington, H. B. 3
Yochelson, Ellis L. 1928-2006 3
Yochelson, Ellis L. 1928-2006, 3
Barosh, Patrick J. 1936- 2
Berdan, Jean Milton, 2
Berry, William B. N., 2
Black, Douglas F. B. 2
Black, Douglas F. B., 2
Carter, Claire 2
Carter, Claire, 2
Crangle, Robert D., Jr 2
Drake, Avery Ala, 1927- 2
Epstein, Anita G., 1937- 2
Epstein, Jack Burton, 1935- 2
Flores, Romeo M. 2
Flower, Rousseau H. 1913-1988 2
Frezon, Sherwood E. 1921- 2
Glick, Ernest E. 1922- 2
Greene, Robert C., 2
Grimes, D. J. 1943- 2
Harris, Anita G. 2
Ireland, H. A. 1904-1973 2
Jones, Clive R., 2
Keighin, C. William 2
Keith, Brian D. 2
Kentucky 2
McHugh, John B. 2
Meier, Allen L. 2
Milici, Robert C., 1931- 2
Miller, James Frederick, 1943- 2
Moench, Robert Hadley, 1926- 2
Pavlides, Louis, 1921- 2
Peck, John H., 1937- 2
Pennsylvania. Bureau of Topographic and Geologic Survey 2
Peterson, Warren Lee, 1925- 2
Reed, John Calvin, Jr., 1930- 2
Ruppel, Edward Thompson, 1925- 2
Sando, William Jasper, 2
Shaw, Frederick C., 1937- 2
Simmons, George Clarke, 1923- 2
Simpson, Howard E. 2
Southwick, D. L. 1936- 2
SpringerLink (Online service) 2
State Geological and Natural History Survey of Connecticut 2
Taylor, Michael E. 2
Taylor, Michael E., 2
United States. Environmental Protection Agency. Region V. 2
University of Kentucky 2
Wahlman, G. P. 2
Walker, Laurence G. 1937- 2
Webb, Gregory W. 2
Weir, Gordon W. 1922-2011 2
Young, H. L. 2
Young, H. L., 2
Adkison, W. L. 1
Adkison, W. L., 1
Agnew, Allen F., 1918-2012 1
Agnew, Allen F., 1918-2012, 1
American Association of Petroleum Geologists 1
Arkansas Geological Commission 1
Arkansas Geological Survey 1
Balanc, Marija 1
Barnes, Harley, 1916-1979, 1
Batten, W. G. 1
Batten, W. G., 1
Bergström, Stig M. 1
Brabb, Earl E., 1929- 1
Braithwaite, Lee F. 1
Bridge, Josiah, 1890-1953 1
Bridge, Josiah, 1890-1953, 1
Bristol, Hubert M. 1
Buschbach, T. C. 1923- 1
Carlson, C. G. 1
Carriker, Melbourne R. 1915-2007 1
Chafetz, Henry 1
Chamberlain, C. Kent 1937- 1
Chen, Xu, 1
Cingolani, Carlos, 1
Cole, Virgil B. 1