1. K. L. Schuler (ks833@cornell.edu), J. A. Jenks, Dept of Wildlife and Fisheries Sciences, South Dakot
2. R. W. Klaver, US Geological Survey, Iowa Cooperative Fish and Wildlife Unit, Iowa State Univ., Ames,
3. C. S. Jennelle, Minnesota Dept of Natural Resources, Forests Lake, MN, USA.
4. R. T. Bowyer, Dept of Biological Sciences, Idaho State Univ., Pocatello, ID, USA.