Piceance Basin Office
112 Red Feather Trail, Silt, CO 81652
Main: 970-876-1959, fax: 970-876-0981

Powder River Basin Office
1414 East Lincoln St., Gillette, WY 82716
Main: 307-685-4322, fax: 307-685-3488

Uinta Basin Office
1820 W. Highway 40
Route 3, Box 3110, Roosevelt, UT 84066
Main: 435-725-3515, fax: 435-725-3519

Wind River Basin Office     
15155 N. Gas Hills Road
PO Box 65, Powder River, WY 82648
Main: 307-237-1522,
2nd line: 307-265-0256
Fax: 307-265-2768