Author
Geological Survey (U.S.)
481
Geological Survey (U.S.),
138
SpringerLink (Online service)
46
Geological Society of America
23
U.S. Atomic Energy Commission
20
ScienceDirect (Online service)
18
American Association of Petroleum Geologists
17
Infobase,
16
Films for the Humanities & Sciences (Firm)
15
Infobase
15
Ratcliffe, Nicholas M. 1938-
14
Vermont Geological Survey
13
Ryder, Robert T.
11
Sims, P. K. 1918-2011
10
United States. Department of Energy
10
United States. Department of Energy. Nevada Operations Office
10
Walsh, Gregory J.
10
Decade of North American Geology Project
9
Dean, Basil, 1888-1978
8
Kentucky Geological Survey
8
Osterwald, Frank W.
8
Montana Bureau of Mines and Geology
7
State Geological and Natural History Survey of Connecticut
7
Weems, R. E.
7
Carter, Janet M.
6
Dickinson, William R.
6
Geological Survey of Pakistan
6
Harrison, Jack Edward, 1924-
6
Langenheim, Victoria E.
6
Mukherjee, Soumyajit,
6
New Hampshire. Water Division
6
Nokleberg, Warren J.
6
Post, Edwin V. 1928-
6
Redden, Jack A. 1926-2019
6
Rhode Island Development Council,
6
South Dakota. Department of Environment and Natural Resources
6
United States. Environmental Protection Agency
6
Vermont. Agency of Natural Resources
6
West Dakota Water Development District (S.D.)
6
Black Hills Conservancy Sub-District (S.D. and Wyo.)
5
Burton, William C. 1952-
5
Colorado Geological Survey
5
Drake, Avery Ala, 1927-
5
Fox, J. E. 1943-
5
Gohn, Gregory S.
5
Hampton Roads Planning District Commission (Va.)
5
King, Philip B., 1903-1987
5
Mills, K. R.
5
New Hampshire. Geological Survey
5
New Jersey Geological Survey
5
more ...