Rocky Mountain Region

The Rocky Mountain Regional Offices are directed by a Regional Solicitor and are responsible for legal matters for the National Parks Service (NPS) in Arkansas, Illinois, Indiana, Iowa, Michigan, Minnesota, Missouri, Ohio, and Wisconsin; legal matters for the Office of Surface Mining Reclamation and Enforcement (OSMRE) in Alaska, California, Idaho, Oregon, and Washington; legal matters in Arizona and New Mexico for NPS concessions contracts and OSMRE; legal matters in Colorado for the Bureau of Land Management (BLM), the Bureau of Reclamation (BOR) east of the Continental Divide involving the Upper Colorado Basin, the US Fish and Wildlife Service (FWS), NPS, OSMRE, and the Interior Business Center; legal matters in Kansas for BOR, FWS, and NPS; legal matters in Montana for BIA excluding the Flathead Reservation, BLM, BOR, FWS, NPS excluding Big Hole National Battlefield, and OSMRE; legal matters in Nebraska for BLM BOR, FWS, and NPS; legal matters in North Dakota and South Dakota for BLM, BOR, FWS, NPS, and OSMRE; legal matters in Oklahoma for NPS concessions contracts and BOR; legal matters in Texas for BOR east of the Pecos River and NPS concessions contracts; legal matters in Utah for FWS, OSMRE and NPS concessions contracts; legal matters in Wyoming for the Bureau of Indian Affairs, BLM, BOR excluding Upper Colorado Basin, FWS, NPS, and OSMRE; and legal matters nationwide for the Office of Natural Resources Revenue and the Appraisal and Valuation Services Office. 

The Office of the Solicitor's Rocky Mountain Region has a regional office in Denver, Colorado, led by Regional Solicitor Michael Williams, and a field office in Billings, Montana, led by Acting Field Solicitor Bryan Wilson. 

Contact:

Denver Regional Office
755 Parfet St, Ste 151
Lakewood, CO 80215-5599    

Phone: 303-445-0610

Billings Field Office
2021 4th Ave N, Ste 112
Billings, MT 59101-1405

Phone: 406-247-7583

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