Author
National Institute of Standards and Technology (U.S.)
140
Geological Survey (U.S.)
80
Rocky Mountain Research Station (Fort Collins, Colo.)
67
New Mexico Geological Society. Annual Field Conference
35
United States. National Aeronautics and Space Administration
35
International Atomic Energy Agency
33
Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
33
United States. Environmental Protection Agency
33
SpringerLink (Online service)
32
Educational Resources Information Center (U.S.)
30
National Institute of Environmental Health Sciences
29
United States. Administration on Aging
29
United States. Bureau of Mines
24
United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch
22
American Association of Petroleum Geologists
21
Oxford Scholarship Online
18
American Chemical Society. Meeting
17
National Institute on Drug Abuse
17
U.S. Fish and Wildlife Service
17
United States. Environmental Protection Agency. Office of Research and Development
17
United States. National Aeronautics and Space Administration. Scientific and Technical Information Division
17
National Center for Education Statistics
16
Air and Energy Engineering Research Laboratory
15
National Cancer Institute (U.S.)
15
United States. National Marine Fisheries Service
15
Goddard Space Flight Center
14
Intermountain Research Station (Ogden, Utah)
14
National Institutes of Health (U.S.)
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
North American ISDN Users' Forum. Meeting
13
Risk Reduction Engineering Laboratory (U.S.)
13
United States. Environmental Protection Agency. Risk Assessment Forum
13
United States. Office of Educational Research and Improvement
13
Geological Society of America
12
North Atlantic Treaty Organization. Scientific Affairs Division
12
U.S. Atomic Energy Commission
12
Colorado School of Mines
11
Geological Survey (U.S.),
11
United States. Forest Service
11
Wyoming Geological Association
11
Dumroese, R. Kasten
10
Landis, Thomas D.
10
National Institute of Justice (U.S.)
10
United States. National Highway Traffic Safety Administration
10
Wildland Shrub Symposium
10
Langley Research Center
9
National Institute of Mental Health (U.S.)
9
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