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Copper miners in Michigan, 1916

Copper miners, Calumet-Hecla Mines, Michigan, by the Keystone View Co, 1916
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Category:People
Subcategory:Professions
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Keywords:calumet, commercial, copper, download, editorial, gold, heckla, image, michigan, mine, mining, old west, photo, picture, prespector, print, prospect, silver, stock

Copper miners in Michigan, 1916