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1Author:  Hagar, Albert D.Add
 Title:  Ancient Mining on the Shores of Lake Superior  
 Published:  1994 
 Subjects:  University of Virginia Library, Text collection | UVA-LIB-Text 
 Description: IN the month of March, 1848, Samuel O. Knapp and J. B. Townsend discovered, from tracks in the snow, that a hedgehog had taken up his winter-quarters in a cavity of a ledge of rocks, about twelve miles from Ontonagon, Lake Superior, in the neighborhood of the Minnesota Copper Mine. In order to capture their game, they procured a pick and shovel, and commenced an excavation by removing the vegetable mould and rubbish that had accumulated about the mouth of what proved to be a small cavern in the rock. At the depth of a few feet they discovered numerous stone hammers or mauls; and they saw that the cavern was not a natural one, but had been worked out by human agency, and that the stone implements, found in great profusion in and about it, were the tools used in making the excavation. Further examination developed a well-defined vein of native copper running through the rock; and it was evidently with a view of getting this metal that this extensive opening had been made.
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