Egilea
Geological Survey (U.S.)
United States Bureau of Mines
216
United States Bureau of Mines. Branch of Data Collection and Coordination
90
United States Branch of Industrial Minerals
52
Geological Survey (U.S.) Water Resources Division
43
United States Bureau of Mines. Branch of Metals
41
Rabbitt, Mary C
31
United States Bureau of Mines. Branch of Ferrous Metals
26
United States Bureau of Mines. Division of Industrial Minerals
26
Clarke, James W (James Wood)
15
National Earthquake Hazards Reduction Program (U.S.)
14
United States Bureau of Mines. Division of Ferrous Metals
14
Ayvazoglou, W
13
National Science Foundation (U.S.)
13
Hawaiian Volcano Observatory
12
Vesselowsky, S. T
12
United States Bureau of Mines. Branch of Nonferrous Metals
11
United States Federal Emergency Management Agency
11
National Earthquake Information Center
10
Vitaliano, Dorothy B
9
National Institute of Standards and Technology (U.S.)
8
United States Bureau of Mines. Division of Nonferrous Metals
8
United States Department of the Interior
8
Canada Water Resources Branch
7
United States National Park Service
7
Geological Survey (U.S.) Data Collection and Coordination Section
6
Geological Survey (U.S.) Metals Section
6
Hawaiian Volcano Research Association
6
Pennsylvania Department of Environmental Resources
6
United States National Oceanic and Atmospheric Administration
6
University of Hawaii (Honolulu)
6
Iowa Department of Natural Resources. Geological Survey Bureau
5
Iowa Department of Transportation
5
National Geophysical Data Center
5
National Geophysical and Solar-Terrestrial Data Center
5
U.S. Coast and Geodetic Survey
5
Iowa Geological Survey
4
Maryland Geological Survey
4
Mississippi Department of Natural Resources
4
New Mexico State Engineer Office
4
North Carolina Department of Environment and Natural Resources
4
Skitsky, V. L
4
United States Bureau of Mines. Section of Ferrous Metals
4
United States Office of Water Research and Technology
4
Water Resources Scientific Information Center
4
Wyoming State Engineer's Office
4
Arkansas Geological Commission
3
Cooperative Fish and Wildlife Research Units Program (U.S.)
3
Geological Survey (U.S.) Water Resources Division. Ohio District
3
Georgia Geologic Survey
3
Gehiago ...