Author
National Institute of Standards and Technology (U.S.)
131
Geological Survey (U.S.)
80
Rocky Mountain Research Station (Fort Collins, Colo.)
65
New Mexico Geological Society. Annual Field Conference
35
SpringerLink (Online service)
34
International Atomic Energy Agency
33
Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
32
United States. National Aeronautics and Space Administration
32
United States. Environmental Protection Agency
31
Educational Resources Information Center (U.S.)
30
United States. Administration on Aging
29
National Institute of Environmental Health Sciences
27
United States. Bureau of Mines
24
American Association of Petroleum Geologists
21
United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch
20
Oxford Scholarship Online
18
U.S. Fish and Wildlife Service
16
Air and Energy Engineering Research Laboratory
15
American Chemical Society. Meeting
15
United States. Environmental Protection Agency. Office of Research and Development
15
United States. National Aeronautics and Space Administration. Scientific and Technical Information Division
15
United States. National Marine Fisheries Service
15
National Cancer Institute (U.S.)
14
National Center for Education Statistics
14
United States. Department of Energy
14
United States. National Oceanic and Atmospheric Administration
14
Bureau of Mines Technology Transfer Seminar
13
Eastern Research Group, Inc
13
Goddard Space Flight Center
13
Intermountain Research Station (Ogden, Utah)
13
National Institute on Drug Abuse
13
North American ISDN Users' Forum. Meeting
13
Risk Reduction Engineering Laboratory (U.S.)
13
United States. Environmental Protection Agency. Risk Assessment Forum
13
North Atlantic Treaty Organization. Scientific Affairs Division
12
U.S. Atomic Energy Commission
12
United States. Office of Educational Research and Improvement
12
Geological Survey (U.S.),
11
National Institutes of Health (U.S.)
11
United States. Forest Service
11
Colorado School of Mines
10
Dumroese, R. Kasten
10
Geological Society of America
10
Landis, Thomas D.
10
United States. National Highway Traffic Safety Administration
10
Wildland Shrub Symposium
10
Wyoming Geological Association
10
Langley Research Center
9
National Institute of Mental Health (U.S.)
9
Riley, Lee E.
9
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