Author
Geological Survey (U.S.)
676
Geological Survey (U.S.),
573
United States,
66
U.S. Fish and Wildlife Service
56
United States. National Park Service
54
University of Texas at Austin. Bureau of Economic Geology
54
University of Texas. Bureau of Economic Geology
38
Houston (Tex.)
35
Harris-Galveston Coastal Subsidence District (Tex.)
32
San Antonio Water System (Tex.)
32
Texas Water Development Board
32
Barnes, Virgil E. 1903-1998
29
United States. National Park Service,
29
Texas. Department of Transportation
26
National Water-Quality Assessment Program (U.S.)
25
Asquith, William H.
24
United States. Congress. Senate. Committee on Energy and Natural Resources
22
Austin (Tex.)
20
Educational Resources Information Center (U.S.)
20
United States. Bureau of Mines
20
United States. Congress. House. Committee on Resources
20
Cibola National Forest (Agency : U.S.),
19
United States. Army. Corps of Engineers
19
United States. Congress. House. Committee on Transportation and Infrastructure
19
Texas. Department of Water Resources
18
United States. Administration on Aging
18
Clark, Allan K.,
16
United States. Defense Mapping Agency. Hydrographic/Topographic Center
16
Battelle Memorial Institute. Office of Nuclear Waste Isolation
15
Moring, J. Bruce 1959-
15
Ockerman, Darwin J.
15
Slade, R. M.
15
Texas Commission on Environmental Quality
15
United States. Department of Education
15
University of Texas. Division of Economic Geology
15
EBSCOhost
14
Kasmarek, Mark C.
14
Land, Larry F.
14
United States. Congress. House. Committee on Natural Resources
14
Eargle, Dolan H., Jr
13
Edwards Underground Water District (Tex.)
13
San Antonio River Authority
13
Slade, R. M.,
13
U.S. Atomic Energy Commission
13
U.S. Fish and Wildlife Service,
13
Aeronautical Systems Center (U.S.). Environmental Management Directorate
12
Asquith, William H.,
12
Edwards Aquifer Authority (Tex.)
12
USGS Texas Water Science Center
12
United States. Congress. House. Committee on Natural Resources,
12
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