Author
Geological Survey (U.S.)
61 results
Illinois State Geological Survey
41 results
Illinois. Department of Transportation
20 results
Illinois. Department of Registration and Education
17 results
Changnon, Stanley A. (Stanley Alcide)
15 results
Illinois State Water Survey
15 results
Frye, John C., (John Chapman), 1912-1982
14 results
Mohlenbrock, Robert H., 1931-
14 results
Illinois. Division of Water Resources
13 results
Willman, H. B. (Harold Bowen), 1901-
13 results
Bergstrom, Robert Edward
12 results
Rand Corporation
12 results
University of Illinois at Urbana-Champaign. Water Resources Center
12 results
Bradbury, James C.
11 results
Huff, Floyd A.
11 results
United States. Federal Highway Administration
10 results
Illinois. Division of Fisheries
9 results
Illinois. Environmental Protection Agency
9 results
Jackman, H. W. (Harold Wesley), 1901-
9 results
Major, Robert L.
9 results
United States. Soil Conservation Service
9 results
Lamar, J. E. (John Everts), 1897-1979
8 results
Lineback, Jerry Alvin
8 results
North Central Forest Experiment Station (Saint Paul, Minn.)
8 results
Peterson, Mark A., 1944-
8 results
University of Illinois. Water Resources Center
8 results
Walton, William Clarence
8 results
Anderson, Richard C. (Richard Charles), 1930-2009
7 results
Asch, David L.
7 results
Garklavs, George
7 results
Institute for Civil Justice (U.S.)
7 results
Johnson, W. Hilton (William Hilton), 1935-
7 results
Kempton, John P. (John Paul)
7 results
McGinnis, Lyle David
7 results
Mohlenbrock, Robert H.
7 results
Potter, Paul Edwin
7 results
Schicht, Richard John
7 results
University of Illinois at Urbana-Champaign. Agricultural Experiment Station
7 results
Hunter, Ralph Eugene
6 results
Illinois. Natural History Survey Division
6 results
Klasner, J. S.
6 results
Mades, Dean M.
6 results
NetLibrary, Inc
6 results
Nitecki, Matthew H.
6 results
ProQuest (Firm)
6 results
Stall, John Byron
6 results
White, William Arthur
6 results
Baxter, James W. (James Watson), 1927-
5 results
Butler, Brian M.
5 results
Clegg, Kenneth Edward
5 results
more…