1. U.S. Geological Survey, 3215 Marine Street, Boulder, Colorado 80303, United States
2. U.S. Geological Survey, Denver
Federal Center, Denver, Colorado 80225, United States
3. City of Boulder, 4049 75th Street, Boulder, Colorado 80301, United States
4. Carollo Engineers, Inc., 12592
W Explorer Drive, Boise, Idaho 83713, United States
5. University of Colorado Denver, CB171, Denver, Colorado 80217, United States