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Author/Creator
- Geological Survey (U.S.)102
- United States. National Aeronautics and Space Administration17
- Carroll, Roger D.7
- Casebier, Darlene A.7
- Hirsch, Derrick D.7
- Jet Propulsion Laboratory (U.S.). Magellan Project Office7
- Planetary Geology and Geophysics Program (U.S.)7
- United States. Department of the Interior6
- Du Bray, E. A.3
- Pallister, John S.3
- Snyder, George L. (George Leonard), 1927-3
- United States. Bureau of Indian Affairs3
- United States. Department of Energy3
- Billingsley, George H.2
- Brunstein, F. Craig (Frederick Craig)2
- Cannon, William F.2
- Carrara, Paul E.2
- Fullerton, David S.2
- Harris, Anita G.2
- Haxel, Gordon2