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Author/Creator
- Geological Survey (U.S.)35
- Sacks, Paul E.4
- Tysdal, Russell G.3
- Briar, David W.2
- Evans, James George, 1938-2
- Miller, Fred K.2
- Planetary Geology Program (U.S.)2
- United States. National Aeronautics and Space Administration2
- Wallace, Alan R.2
- Weems, R. E. (Robert E.)2
- Barnum, Bruce E.1
- Bartow, J. Alan1
- Bird, Kenneth J.1
- Blackfeet Tribe of the Blackfeet Indian Reservation of Montana. Blackfeet Water Resources Department1
- Brew, David A.1
- Brooks, William E.1
- Campbell, Russell H., 1928-1
- Cannon, M. R.1
- Chapman, Mary G.1
- Clark, David W. (David Wayne), 1951-1