- Office of Surface Mining Reclamation and Enforcement (OSMRE)
- Bureau of Land Management - Colorado Office (BLM)
- Environmental Protection Agency (EPA)
- United States Fish and Wildlife Service (USFWS)
- United States Forest Service (USFS)
- Mine Safety and Health Administration (MSHA)
- United States Army Corps of Engineers (USACE)
- Natural Resources Conservation Service (NRCS)