1. Minnesota Department of Natural Resources Wetland Wildlife Population and Research Group 102 23rd Street NE Bemidji MN 56601 U.S.A.
2. U.S. Geological Survey Northern Prairie Wildlife Research Center 8711 27th Street SE Jamestown ND 58401 U.S.A.
3. Department of Environmental Studies Bemidji State University Sattgast Hall 109 Bemidji MN 56601 U.S.A.
4. Lincoln Bait, LCC 48301 County 21 Staples MN U.S.A.
5. Department of Biology Augsburg University 2211 Riverside Avenue Minneapolis MN 55454 U.S.A.
6. WSP Canada 3300‐237 4th Avenue SW Calgary AB T2P 4K3 Canada
7. U.S. Geological Survey Upper Midwest Environmental Sciences Center 2630 Fanta Reed Road La Crosse WI 54603 U.S.A.