Links

General

U.S Geological Survey
www.usgs.gov

Michigan Department of Environmental Quality, Geological Survey Division
www.deq.state.mi.us/gsd

Michigan Department of Natural Resources
www.dnr.state.mi.us

Minnesota Geological Survey
www.geo.umn.edu:80/mgs

Iron Mining Association
www.taconite.org

Iron Range Resources & Rehabilitation Board
www.irrrb.org

Minnesota Department of Natural Resources
www.dnr.state.mn.us

Minnesota Exploration Association
www.cp.duluth.mn.us/~bulland/mexa

Wisconsin Department of Natural Resources
www.dnr.state.wi.us

Wisconsin Geological and Natural History Survey
www.uwex.edu/wgnhs

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