Title: Mass Copper from Minnesota Mine
Subject Headings: Natural Resources - Mines and Mineral Resources - Copper Mines and Mining, Historic Sites - Historic Mines,
Description: Copper Mines and Mining Companies- Minnesota Mining Company. Mass copper- no date- (Minnesota Mine?)- (Ontonagon County?).
Source of Description: Back of Print
Institution: Michigan Technological University Archives and Copper Country Historical Collections
Date of Photo: undated
Medium: still image
Color: black and white
Size: 6.2 cm x 6 cm
Image No: MTU Neg 04061
Collection Name: Bennetts Collection
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