- Office of Surface Mining (OSM)
- Bureau of Land Management - Colorado Office (BLM)
- Environmental Protection Agency (EPA)
- Colorado Department of Natural Resources (DNR)
- Colorado Geological Survey (CGS)
- Colorado Department of Public Health and Environment (CDPHE)
- Colorado Parks and Wildlife - Wildlife (CPW)
- State Historic Preservation Office (SHPO)
- Colorado Division of Water Resources (DWR)
- 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)
- Colorado Mining Association (CMA)
