Geological Survey (U.S.), 35
Geological Survey (U.S.) 23
Palmer, Allison R., 10
Palmer, Allison R. 9
Ryder, Robert T. 6
Hayes, Philip T. 1923- 4
Walcott, Charles D. 1850-1927 4
Wheeler, Harry E. 1907-1987 4
Mackay School of Mines 3
Missouri. Division of Geology and Land Survey 3
Nevada Bureau of Mines 3
Taylor, Michael E., 3
Walcott, Charles D. 1850-1927, 3
White, Charles A. 1826-1910 3
Yochelson, Ellis L. 1928-2006 3
Arkansas Geological Commission 2
Barnes, Virgil E. 1903-1998 2
Crangle, Robert D., Jr 2
Diehl, S. F., 2
Drake, Avery Ala, 1927- 2
Erwin, Douglas H., 1958- 2
Goldhaber, Martin B., 2
Halley, Robert B. 2
Halley, Robert B., 2
Harris, Anita G. 2
Hayes, Timothy Scott 2
Hintze, Lehi F. 2
Hintze, Lehi F., 2
Ireland, H. A. 1904-1973 2
McMenamin, Mark A. 2
Miller, David M. 1951- 2
Miller, James Frederick, 1943- 2
Oklahoma Geological Survey 2
Pavlides, Louis, 1921- 2
Pierce, J. W. 1927- 2
Reed, John Calvin, Jr., 1930- 2
Repetski, John E. 2
ScienceDirect (Online service) 2
Smithsonian Institution. Press 2
Southwick, D. L. 1936- 2
Stewart, J. H., 1928-2013 2
Stewart, J. H., 1928-2013, 2
Taylor, Michael E. 2
Yochelson, Ellis L. 1928-2006, 2
Young, H. L. 2
Young, H. L., 2
Allison, Carol Wagner 1
Anderson, Kenneth H. 1923- 1
Arkansas Geological Survey 1
Armstrong, Frank C., 1
Barnes, Harley, 1916-1979 1
Barnes, Harley, 1916-1979, 1
Barnes, Phineas 1
Barus, Carl, 1856-1935 1
Becker, Leroy E. 1
Brabb, Earl E., 1929- 1
Brasier, M. D. 1
Bridge, Josiah, 1890-1953 1
Bridge, Josiah, 1890-1953, 1
Briggs, D. E. G. 1
Call, Richard Ellsworth, 1856-1917 1
Carlson, C. G. 1
Charpentier, Ronald R. 1
Christiansen, Robert L. 1
Christiansen, Robert L., 1
Clark, William Bullock, 1860-1917 1
Clarks, Frank Wigglesworth, 1847-1931 1
Collier, Frederick J. 1932-2017 1
Cone, George C. 1
Cone, George C., 1
Cowie, J. W. 1
Crangle, Robert D. 1
Crowley, William Patrick 1
Dall, William Healey, 1845-1927 1
Dana, Edward Salisbury, 1849-1935 1
Davis, Richard A., Jr., 1937- 1
Dawson, T. A. 1916- 1
Dickas, Albert Brinkley, 1933- 1
Dyman, T. S. 1
Eldridge, George Homans, 1854-1905, 1
Evans, James George, 1938- 1
Fedonkin, M. A. 1
Flower, Rousseau H. 1913-1988 1
Foley, N. K. 1
Foster, John Russell 1
Fritz, W. H. 1928- 1
Gannett, Henry, 1846-1914 1
Gatehouse, Colin G. 1
Gatehouse, Colin G., 1
Geological Society of America 1
Geological Survey of Arkansas 1
Gilbert, Grove Karl, 1843-1918 1
Gilbert, M. Charles 1
Gould, Stephen Jay, 1
Green, John C., 1932- 1
Harris, Anita G., 1
Holland, C. H. 1
Howe, Henry Marion, 1848-1922 1
Hreha, Andrew J. 1
Hughes, Nigel C. 1