Acid Mine Drainage: Why are we concerned about metallic sulfide mining?
Geologic and Geotechnical Reports for the Eagle Project
Map showing all Highland Mining prospects in 2013
What are Mineral Rights?
The Economic Impacts of Renewed Copper Mining in the Western Upper Peninsula of Michigan - Thomas Power
Mining Exploration on the Keweenaw Peninsula - FOLK Fact Sheet
Summary of Michigan Nonferrous Mining Regulations
Technical Report on the Centennial and Kingston Native Copper Deposits
Summary of known mining and mineral exploration activities in Gogebic, Ontonagon, Baraga, Houghton, and Keweenaw Counties, as of Feb. 2013​​
Investing in the Keweenaw's Future: Moving Toward Sustainable Development
Exploratory drilling in Porcupine Mountains Wilderness State Park (perhaps the Crown Jewel of the Michigan State Park System) results in a muddy mess. Highland Copper slapped with violation notice by MDEQ.
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