Geological Survey (U.S.) 6 Geological Survey (U.S.), 3 University of Texas. Bureau of Economic Geology 3 Herald, Frank A., 1887-1965 2 Matson, George Charlton, 1873- 2 University of Texas. Bureau of Economic Geology and Technology 2 Adams, George I. 1870-1932 1 Baker, Marcus, 1849-1903 1 Bancroft, Howland, 1883- 1 Beede, J. W. 1871-1940 1 Campbell, Marius R. 1858-1940 1 Carpenter, Charles B., 1933- 1 Harlin, M. N. 1 Harris, Henry M. 1 Heald, K. C. 1888-1971 1 Hicks, James N. 1 Hill, H. B. 1 Hopkins, Oliver B. 1886- 1 Houston Geological Society 1 Liddle, Ralph Alexander, 1896-1963 1 Marshall, R. B. 1867-1949 1 Paige, Sidney, 1880-1968 1 Panhandle Geological Society 1 Petroleum Information Corporation 1 Phillips, Drury McNeill 1 Phillips, W. B. 1857-1918 1 Powers, Sidney, 1890-1932 1 Railroad Commission of Texas 1 Robinson, H. M. 1 Shaw, E. W. 1881-1935 1 Smith, Philip S. 1877-1949 1 Stokes, H. N. 1859-1942 1 Texas Mid-Continent Oil and Gas Association 1 Udden, Johan August, 1859-1932 1 United States. Department of Energy 1 United States. Department of Energy, 1 United States. Department of the Interior 1 United States. Energy Information Administration. Office of Oil and Gas 1 United States. Interagency Oil and Gas Supply Project 1 United States. Interagency Oil and Gas Supply Project, 1 White, David, 1862-1935 1 Wilhelm, C. J. 1902- 1 Wilson, Herbert M. 1860-1920 1 Woodruff, E. G. 1872-1952 1 Worrell, Steve Howard 1