Introductory material
Reading edition
THE AUTHORS
Dr. Mech, formerly with the Department of Biology, Macalester College, St. Paul, Minnesota, is now employed by the U.S. Bureau of Sport Fisheries and Wildlife, Twin Cities, Minnesota.
Dr. Frenzel, formerly with the Department of Biology, Macalester College, St. Paul, Minnesota, is now employed by the Department of Entomology, Fisheries, and Wildlife, University of Minnesota, St. Paul, Minnesota.
Dr. Ream, formerly with the North Central Forest Experiment Station (maintained in cooperation with the University of Minnesota), Forest Service, U.S. Department of Agriculture, is now employed by the School of Forestry, University of Montana, Missoula, Montana.
Mr. Winship is with the U.S. Bureau of Sport Fisheries and Wildlife, Twin Cities, Minnesota.
Mr. Karns is with the Minnesota Department of Conservation, Forest Lake, Minnesota.
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