by Kathy E. Lee ... [and others] ; prepared in cooperation with the Minnesota Pollution Control Agency, the Minnesota Department of Natural Resources, and the Legislative Commission on Minnesota Resources
Minnesota, Dept. of Conservation, Division of Waters, Soils & Minerals [and] Wisconsin Dept. of Natural Resources, Division of Environmental Protection, in cooperation with U.S. Army Corps of Engineers, St. Paul District [and] U.S. Geological Survey
by J.L. Meuschke ... [and others] ; Department of the Interior, United States Geological Survey ; prepared in cooperation with the Minnesota Geological Survey
by M.K. Landon ... [and others] ; prepared in cooperation with the University of Minnesota Department of Soil, Water, and Climate, the U.S. Department of Agriculture, Agricultural Research Service, and the Minnesota Pollution Control Agency