1. ABR, Inc.—Environmental Research and Services P.O. Box 80410 Fairbanks AK 99708 USA
2. Alaska Department of Fish and Game 1300 College Road Fairbanks AK 99701 USA
3. National Park Service, Gates of the Arctic National Park and Preserve, Arctic Inventory and Monitoring Network 4175 Geist Road Fairbanks AK 99709 USA
4. North Slope Borough Department of Wildlife Management P.O. Box 69 Utqiaġvik AK 99723 USA