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Author/Creator
- Geological Survey (U.S.)1,231
- United States. National Aeronautics and Space Administration236
- Planetary Geology Program (U.S.)173
- National Atlas & Thematic Mapping Organisation (India)128
- United States. Bureau of the Census. Geography Division101
- United States. Central Intelligence Agency73
- United States. Bureau of the Census. Data Preparation Division59
- United States. Bureau of the Census45
- Planetary Geology and Geophysics Program (U.S.)22
- United States. National Oceanic and Atmospheric Administration21
- Valentine, Page C.19
- Baker, Jessica L.17
- Unger, Tanya S.17
- USGS-NOAA Joint Office for Mapping and Research in the EEZ15
- Kansas Geological Survey13
- Missouri. Division of Geology and Land Survey13
- Montana Bureau of Mines and Geology13
- Tanaka, Kenneth L.13
- United States. National Park Service13
- Colton, Roger B. (Roger Burnham), 1924-12