1. Department of Biology, Colorado State University, Campus Delivery 1878, Fort Collins, Colorado 80523, USA
2. US Geological Survey, Fort Collins Science Center, 2150 Centre Avenue Building C, Fort Collins, Colorado 80526, USA
3. Centers for Disease Control and Prevention, Fort Collins, Colorado 80521, USA
4. US Forest Service, Wall Ranger District, 710 Main Street, Wall, South Dakota 57790, USA
5. National Park Service, Badlands National Park, 25216 Ben Reifel Road, Interior, South Dakota 57750, USA
6. Prairie Wildlife Research, PO Box 308, Wellington, Colorado 80549, USA
7. US Forest Service, Thunder Basin National Grassland, 2250 E Richards Street, Douglas, Wyoming 82633, USA
8. The Humane Society of the United States, Prairie Dog Coalition, 2525 Arapahoe #E4-527, Boulder, Colorado 80302, USA
9. World Wildlife Fund, Northern Great Plains Program, 458 Saddle Ridge Road, Hamilton, Montana 59840, USA