Geological Survey (U.S.) 80
Geological Survey (U.S.), 77
Luedke, Robert G. 9
Durham, David L., 1925- 6
Smith, Robert L. 6
SpringerLink (Online service) 6
Walker, George Walton, 1921- 5
Fridrich, C. J. 4
Huber, N. King 1926- 4
MacNeil, F. Stearns 1909- 4
Reheis, Marith C. 4
Colman, Steven M. 3
LaMotte, Robert Smith, 1895- 3
Ladd, Harry S. 1899-1982 3
Ladd, Harry S. 1899-1982, 3
Markewich, Helaine W. 3
ScienceDirect (Online service) 3
Stewart, J. H., 1928-2013 3
United States. Bureau of Indian Affairs 3
Armentrout, John M. 2
Brand, John Paul 2
Burke, D. B. 2
California. Division of Mines and Geology 2
Cater, Fred W. 1912- 2
Denny, Charles Storrow, 1911- 2
Du Bray, E. A., 2
Ferrebee, Wayne M., 2
Frye, John C. 1912-1982 2
Geological Society of America 2
Geological Survey of Wyoming 2
Harden, J. W. 1954- 2
Heindl, L. A. 1916- 2
Helley, Edward J. 2
Hosman, R. L. 2
Hurtubise, D. O., 2
John, David A. 2
Kellogg, Karl S., 2
Marvin, Richard F., 2
McLean, Hugh, 1939- 2
Moore, James Gregory, 1930- 2
Morrison, Roger B. 1914- 2
Navajo Tribe of Arizona, New Mexico & Utah 2
Onstott, T. C. 2
Osborn, Henry Fairfield, 1857-1935 2
Owens, James Patrick, 1924- 2
Poppe, Lawrence J., 2
Richards, R. W. 1879- 2
Rowley, Peter D. 2
Ruppel, Edward Thompson, 1925- 2
Sarna-Wojcicki, Andrei M. 2
Sarna-Wojcicki, Andrei M., 2
Singer, Michael J. 1945- 2
Smith, George I. 1927- 2
Stewart, Ralph 1901- 2
Taylor, Dwight W. 1932- 2
Taylor, Richard B. 2
Tucson (Ariz.) 2
United States. Soil Conservation Service 2
University of Wyoming. Department of Geology 2
Utah Geological Association 2
Utah Geological Association. Field Conference 2
Walton, Anthony W. 2
Williams, J. Stewart 1901- 2
Wrucke, Chester T., 1927- 2
Yerkes, R. F., 1923- 2
Addicott, Warren O. 1
Addicott, Warren O., 1
Aguirre-Díaz, Gerardo J., 1958- 1
Akers, J. P. 1
Akers, J. P., 1
Allwardt, Alan 1
Allwardt, Alan, 1
American Association of Petroleum Geologists. Committee on Stratigraphic Correlations 1
American Geophysical Union 1
An, Zhisheng, 1
Andersen, H. V., 1907-2000 1
Anderson, Alfred L. 1900-1964 1
Anderson, John B., 1944- 1
Anderson, John J. 1930- 1
Anderson, Norman Roderick, 1921- 1
Anderson, S. R. 1
Anderson, S. R., 1
Arizona. State Land Department 1
Arizona. State Land Department, 1
Barton, Donald Clinton, 1889-1939 1
Bartow, J. Alan 1
Bartow, J. Alan, 1
Beccaluva, Luigi 1
Beikman, Helen M. 1
Beikman, Helen M., 1
Belden, A. W., 1876-1920 1
Berggren, William A. 1
Beviá García, José Francisco 1
Bianchini, Gianluca 1
Bilmes, Andrés, 1
Blackett, Robert E. 1
Blake, Clark, 1
Bohannon, Robert G. 1
Bone, Yvonne, 1
Bonnichsen, Bill 1