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Author/Creator
- United States. National Aeronautics and Space Administration[remove]293
- Geological Survey (U.S.)291
- Planetary Geology Program (U.S.)173
- Planetary Geology and Geophysics Program (U.S.)33
- Tanaka, Kenneth L.18
- Scott, David Holcomb, 1916-12
- United States. National Park Service10
- Casebier, Darlene A.9
- Hirsch, Derrick D.9
- Brock, John C.8
- Carroll, Roger D.8
- Head, James W.8
- Jet Propulsion Laboratory (U.S.). Magellan Project Office8
- United States. Department of the Interior8
- Chapman, Mary G.7
- Dohm, James M.7
- Ryan, Darlene A.7
- Skinner, James A., Jr. (James Albert)7
- Herkenhoff, Ken6
- Crown, David A. (David Arden)5