Author
Detterman, Robert L.
Geological Survey (U.S.)
16 results
Reed, Bruce L., 1934-
6 results
Chapman, Robert Mills, 1918-
3 results
Hartsock, John K.
3 results
Mangus, Marvin D.
3 results
United States. Office of Naval Petroleum and Oil Shale Reserves
3 results
Miller, John W. (John William), 1928-
2 results
United States. Department of the Interior
2 results
Bickel, Robert S.
1 results
Elder, William P.
1 results
Gryc, George
1 results
Harris, Ellen E.
1 results
Imlay, Ralph W. (Ralph Willard), 1908-1989
1 results
Keller, A. Samuel
1 results
Morris, Robert H. (Robert Hamilton), 1921-
1 results
Riehle, J. R.
1 results
Wilson, Frederic H., 1950-
1 results