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Author/Creator
- Geological Survey (U.S.)7
- California. Department of Transportation2
- Dartnell, Peter2
- Green, Krystal R.2
- Hapke, Cheryl J.2
- Carlson, Paul R. (Paul Roland), 1933-1
- Dallas, Kate1
- Dohm, James M.1
- Mars, John C.1
- Planetary Geology Program (U.S.)1
- Rice, J. W. (James W.)1
- Rowan, Lawrence C.1
- Scott, David Holcomb, 1916-1
- United States. Agency for International Development1
- United States. National Aeronautics and Space Administration1
- United States. National Park Service1
- Western Coastal and Marine Geology Program (Geological Survey)1
- Western Region Coastal and Marine Geology Program (Geological Survey)1