Affiliation: | 1. Professor of geography at Minnesota State University, Mankato, Minnesota 56001;2. [martin.mitchell@mnsu.edu].;3. Retired research biologist at the Minnesota Department of Natural Resources, Madelia, Minnesota 56062;4. [Kimmel@newulmtel.net].;5. Was a research assistant at Minnesota State University, Mankato, Minnesota 56001;6. [jennysnyders@hotmail.com]. |