1. Department of Biology University of North Dakota 203 Starcher Hall Grand Forks ND 58202 USA
2. North Dakota Game and Fish Department 100 North Bismarck Expressway Bismarck ND 58501 USA
3. Department of Biology University of North Dakota 211 Starcher Hall Grand Forks ND 58202 USA
4. Department of Biology University of North Dakota 311 Starcher Hall Grand Forks ND 58202 USA