Chisholm Chamber Duluth Chamber Eveleth Chamber Grand Rapids Chamber Hibbing Chamber Minnesota Chamber Virginia/Mtn. Iron Area Chamber American Iron Ore Association Coleraine Research Laboratory Minnesota Department of Natural Resources Minerals Geological Society of American Institute of Mining & Metallurgy Iron Range Resources & Rehabilitation Board (IRRRB) Mine Safety and Health Administration Minnesota Department of Revenue Mineral Information Institute (MII) Minnesota Exploration Society Minnesota Geological Survey Minnesota Iron Range Economic Alliance Minnesota State Colleges and Universities (MnSCU) Minnesota Pollution Control Agency (MPCA) Minnesota Taxpayers Association National Mining Association Natural Resources Research Institute (NRRI) Society for Mining, Metallurgy & Exploration (SME) Taconite University U.S. Geological Survey Westmorelandflint American Iron and Steel Institute