Author
Geological Survey (U.S.)
375
Geological Survey (U.S.),
326
United States. National Aeronautics and Space Administration
46
United States. National Park Service
33
Planetary Geology and Geophysics Program (U.S.)
14
United States. National Aeronautics and Space Administration,
11
Harris-Galveston Coastal Subsidence District (Tex.)
9
United States. National Park Service,
9
Wilson, Frederic H., 1950-
9
Bohannon, Robert G.
8
Clark, Allan K.,
8
Johnson, Michaela R.
8
Kasmarek, Mark C.
8
Kosovich, John J.
8
Ruleman, C. A.
8
Ryan, Darlene A.
8
Ryder, Robert T.
8
Astrogeology Research Program (Geological Survey)
7
Carrara, Paul E.
7
Evarts, Russell C.
7
Moore, David W.
7
Planetary Geology and Geophysics Program (U.S.),
7
Southwest Florida Water Management District (Fla.)
7
Swezey, C.
7
Tabor, R. W.
7
United States. Army. Corps of Engineers
7
Walsh, Gregory J.
7
Weary, David J.
7
Alaska. Division of Oil and Gas
6
Billingsley, George H.
6
Brandt, Ted R., 1954-
6
Cochran, Susan A.
6
Finn, Thomas M.,
6
Head, James W.
6
Mull, Charles G.
6
Priest, Susan S.
6
Skinner, James A., Jr
6
Soler-López, Luis R.
6
Trusdell, Frank A.,
6
Turner, Kenzie J.
6
Vermont Geological Survey
6
Walsh, Gregory J.,
6
Afghanistan. Department of Geological Survey
5
Afghanistan. Idārah-i ʻUmūmī-i Jiyūdīzī va Kārtūgrāfī
5
Booth, Derek B.
5
Crown, David A.
5
Felger, Tracey J.
5
Hudson, Mark R.
5
Huizinga, Richard J.,
5
Indiana. Department of Transportation,
5
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