Author
Bartelli, L. J.
1 results
Fehrenbacher, J. B. (Joe Bernard)
1 results
Illinois State Water Survey
Southern Illinois University at Carbondale
1 results
Stall, John Byron
U.S. Fish and Wildlife Service
1 results
United States. Soil Conservation Service
1 results
University of Illinois at Urbana-Champaign. Agricultural Experiment Station