Laurie Mann, editor ; Barbara J. Arnold, project coordinator ; sponsored by the Wisconsin Citizens Environmental Council and the University of Wisconsin-Extension Environmental Resources Unit
Institute for Environmental Studies, University of Wisconsin--Madison in cooperation with the Wisconsin Department of Natural Resources, Lake Management Program
By J. Bouma [and others] in co-operation with Depts. of Soil Science and Bacteriology, College of Agricultural and Life Sciences, and Wisconsin Dept. of Natural Resources
Aldo Leopold Foundation, U.S. Forest Service, Center for Humans and Nature present ; a film by Ann Dunsky, Steve Dunsky, Dave Steinke ; executive producer, Buddy Huffaker