Mill Creek Mining Co., San Juan County, Colorado, claim map / American Smelting and Refining Co., Western Mining Department. 1930.

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Mill Creek Mining Co., San Juan County, Colorado, claim map / American Smelting and Refining Co., Western Mining Department. 1930.

1 ms. map : linen ; 42 x 63 cm.

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American Smelting and Refining Company

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