Author/Creator
- Bohannon, Robert G.4
- Denson, N. M. (Norman MacLaren), 1914-4
- Johnson, William D., Jr.4
- Minnesota Geological Survey4
- Ratcliffe, Nicholas M. (Nicholas Morley), 1938-4
- Scott, David Holcomb, 1916-4
- United States. Department of Energy4
- Billingsley, George H.3
- Dover, James H.3
- Du Bray, E. A.3
- Dyman, T. S.3
- Haxel, Gordon3
- Jet Propulsion Laboratory (U.S.)3
- Lemon, Earl M.3
- M'Gonigle, John W.3
- Missouri. Division of Geology and Land Survey3
- Moore, Richard B. (Richard Beresford), 1945-3
- Ontario Geological Survey3
- Pampeyan, Earl Haig, 1925-3
- Pearson, Robert Carl, 1926-3