Alfred E. Torrey, Frank A. Swenson, Geological Survey (U.S.). Topographic Division. Research and Technical Control Branch, George J. Edwards, Ivan D. Yost, Paul Averitt, Paul Livingston Applin, Rolland William Carter, Roy Edwin Oltman, Hubert Jerome Tracy, W. Kenneth Bach · 1949
Edward A. Moulder, Edwin Wallace Lohr, Frank Saverio Grimaldi, Geological Survey (U.S.). Water Resources Division, George Lawrence Bodhaine, Judith Weiss Frondel, Loyd L. Young, Max Gregg White, Robert Paul Jones, Walter Stanley White, Alfred E. Torrey, Benjamin Earl Jones, Michael Fleischer, Norman MacLaren Denson, W. H. Robinson, F. C. Koopman · 1949
Alfred E. Torrey, Alfred Herman Chidester, Frank A. Swenson, Geological Survey (U.S.). Topographic Division. Research and Technical Control Branch, George J. Edwards, Ivan D. Yost, Louise R. Berryhill, Paul Averitt, Paul Livingston Applin, Roy Edwin Oltman, W. Kenneth Bach · 1950
Edward A. Moulder, Edwin Wallace Lohr, Geological Survey (U.S.). Water Resources Division, George Lawrence Bodhaine, Judith Weiss Frondel, Loyd L. Young, Max Gregg White, Robert Paul Jones, Walter Stanley White, Alfred E. Torrey, Michael Fleischer, Norman MacLaren Denson, W. H. Robinson, F. C. Koopman · 1952