MINING FEATURE I HOMETOWNFOCUS.US Editor’s note: When I was in college, majoring in English, my father insisted I also major in geology. He suspected I would end up on the Iron Range and I suppose he thought geology m

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• Geological history of Earth
• Geology of North America
• Plate tectonics
• Duluth Complex
• Midcontinent Rift System
• Archean
• Superior craton
• Gunflint Range
• Lake Superior
• Geology
• Geology of Minnesota
• Cratons