Author
Geological Survey (U.S.)
105
Colorado Geological Survey
29
United States. Environmental Protection Agency
16
Utah Geological Survey,
11
United States. Environmental Protection Agency. Office of Solid Waste and Emergency Response
9
Cooperative Geological Mapping Program (U.S.)
8
Rocky Mountain Research Station (Fort Collins, Colo.)
8
American Association of Petroleum Geologists
7
Kirkham, Robert M.
7
National Assessment of Oil and Gas Project (U.S.)
7
National Center for Education Statistics
7
United States. Bureau of the Census
7
United States. Environmental Protection Agency. Office of Water
7
Colorado. Department of Natural Resources
6
Colorado Geological Survey. Division of Minerals and Geology
5
U.S. Census Bureau
5
United States. Environmental Protection Agency. Office of Air and Radiation,
5
United States. National Aeronautics and Space Administration
5
Widmann, Beth L.
5
American Association of Petroleum Geologists,
4
Center for Mental Health Services (U.S.)
4
Environmental Systems Research Institute (Redlands, Calif.)
4
Geological Survey (U.S.),
4
Goddard Space Flight Center
4
Hearn, Paul P.
4
Morgan, Matthew L.
4
National Energy Technology Laboratory (U.S.)
4
Open University
4
Royal Society of Chemistry (Great Britain)
4
ScienceDirect (Online service)
4
SpringerLink (Online Service)
4
Streufert, Randall K.
4
Thorson, Jon P.
4
U.S. Fish and Wildlife Service
4
United States. Bureau of the Census. Data User Services Division
4
United States. Department of the Army
4
United States. National Highway Traffic Safety Administration
4
Ambroziak, Russell A.
3
Bartolini, Claudio, 1956-
3
Educational Testing Service
3
International Conference on Remediation of Chlorinated and Recalcitrant Compounds
3
International Conference on Remediation of Chlorinated and Recalcitrant Compounds Monterey, Calif.)
3
Lund, William R.,
3
McCalpin, James
3
National Center for Health Statistics (U.S.)
3
National Risk Management Research Laboratory (U.S.)
3
Taylor, Peter, 1953-
3
Temple, Jay
3
Twichell, David C.
3
United States. Environmental Protection Agency. Office of Research and Development
3
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