Author
Geological Survey (U.S.)
1,291
United States. Forest Service. Southwestern Region
118
U.S. Atomic Energy Commission
108
United States. Bureau of Land Management
102
United States. National Park Service
55
United States. Forest Service
54
United States. Bureau of Reclamation
48
United States. Bureau of Indian Affairs
44
United States. Bureau of Land Management. Arizona State Office
39
Arizona. Department of Water Resources
34
Arizona Geological Survey
33
Drewes, Harald, 1927-2015
32
University of Arizona. State Bureau of Mines
29
National Operations Center (U.S.)
26
Watts, K. C.
26
United States. Environmental Protection Agency
25
Witkind, Irving J. (Irving Jerome), 1917-2008
24
Arizona Water Commission
23
Billingsley, George H.
21
Moore, Richard T.
21
Dempsey, W. J.
20
Instituto Nacional de Estadística, Geografía e Informática (Mexico)
20
Geometronics Service Center (U.S.)
19
Krieger, Medora Louise Hooper, 1905-
19
United States. Defense Mapping Agency. Hydrographic/Topographic Center
19
Aldridge, B. N. (Byron Neil)
18
Hackman, Robert J.
16
Krieger, Medora Louise Hooper, 1905-1994
16
Osterkamp, W. R.
16
United States. Department of Agriculture
15
McQueen, Kathleen
14
Minard, James P.
14
Ulrich, George E.
14
Kieffer, Susan W.
13
Wilson, Eldred Dewey, 1898-1965
13
Arizona Office of Tourism
12
Cooley, M. E. (Maurice E.)
12
Flood Control District of Maricopa County
12
Hollett, Kenneth J.
12
National Science and Technology Center (U.S.)
12
United States. Soil Conservation Service
12
Frischknecht, Frank C.
11
Geospatial Service and Technology Center (U.S.)
11
Marshall, C. H.
11
Marshall, C. H. (Charles Harding)
11
Petrafeso, F. A.
11
Richter, Donald H.
11
United States. Defense Mapping Agency
11
Anderson, T. W. (Thomas Warren), 1940-
10
Detterman, J. S.
10
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