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Author/Creator
- Geological Survey (U.S.)54
- Afghan Geological Survey28
- U.S. Task Force for Business and Stability Operations28
- Davis, Philip A.26
- United States. National Aeronautics and Space Administration21
- Planetary Geology Program (U.S.)11
- Cagney, Laura E.10
- Arko, Scott A.7
- Harbin, Michelle L.7
- Planetary Geology and Geophysics Program (U.S.)4
- Mathieux, D. Paul (Donald Paul)3
- United States. Office of Space Science. Solar System Exploration Division3
- Burr, Devon, 1966-2
- Cole, Christopher J.2
- Darling, Scott D.2
- Davis, Philip A. (Philip Arthur), 1950-2
- Farmer, Michael2
- Skinner, James A., Jr. (James Albert)2
- Stack, Kathryn M.2
- Sullivan, Katie2