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Shaft No. 2, Quincy Copper Mine, Hancock, Mich.
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Chemical laboratory, Michigan School of Mines i.e. Michigan Technological University, Houghton, Mich.
Main building, Michigan School of Mines i.e. Michigan Technological University, Houghton, Mich.
Main building, Michigan School of Mines i.e. Michigan Technological University, Houghton, Mich.