Author
Geological Survey (U.S.)
437
Geological Survey (U.S.),
306
United States,
66
U.S. Fish and Wildlife Service
48
United States. National Park Service
48
San Antonio Water System (Tex.)
31
Texas Water Development Board
30
Houston (Tex.)
28
Texas. Department of Transportation
26
National Water-Quality Assessment Program (U.S.)
25
Asquith, William H.
23
University of Texas. Bureau of Economic Geology
23
United States. Congress. Senate. Committee on Energy and Natural Resources
22
Educational Resources Information Center (U.S.)
20
United States. Congress. House. Committee on Resources
20
Austin (Tex.)
19
Cibola National Forest (Agency : U.S.),
19
United States. Bureau of Mines
19
United States. Congress. House. Committee on Transportation and Infrastructure
19
United States. Administration on Aging
18
United States. Army. Corps of Engineers
18
Texas. Department of Water Resources
17
Battelle Memorial Institute. Office of Nuclear Waste Isolation
15
Harris-Galveston Coastal Subsidence District (Tex.)
15
Moring, J. Bruce 1959-
15
Ockerman, Darwin J.
15
United States. Department of Education
15
University of Texas. Division of Economic Geology
15
EBSCOhost
14
Texas Commission on Environmental Quality
14
United States. Congress. House. Committee on Natural Resources
14
Land, Larry F.
13
San Antonio River Authority
13
Edwards Underground Water District (Tex.)
12
Slade, R. M.
12
USGS Texas Water Science Center
12
United States. Congress. House. Committee on Natural Resources,
12
United States. Department of Homeland Security. Office of Inspector General,
12
Barnes, Virgil E. 1903-1998
11
Texas Water Commission
11
United States. Congress. House. Committee on Transportation and Infrastructure,
11
United States. National Park Service. Natural Resource Stewardship and Science,
11
Aeronautical Systems Center (U.S.). Environmental Management Directorate
10
Asquith, William H.,
10
Braun, Christopher L.
10
Braun, Christopher L.,
10
Houston-Galveston Area Council
10
Natural Resource Program Center (U.S.),
10
Slade, R. M.,
10
Staack, J. G. 1878-
10
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