A Copper blast furnace, Hancock, Mich., Corresponding glass transparency (with same series code) available on videodisc frame 1A-30513., "G 3295" on negative., Detroit Publishing Co. no. 019056., Gift; State Historical Society of Colorado; 1949, Copper industry. , Furnaces. , United States, Michigan, Hancock.

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Keywords: ., copper, furnaces., industry., states--michigan--hancoc, united