Title: Calumet and Hecla
Photographer: Unknown
Subject Headings: Metal Trade - Copper Industry and Trade - Copper Mines and Mining, Accidents,
Condition: Good
Description: First caving in of overhanging rock after copper rock has been removed, Calumet-Hecla Mines, Calumet, Mich.
Source of Description: Front of slide.
Institution: Michigan Technological University Archives and Copper Country Historical Collections
Donor: Universal Oil Products
Date of Photo: 1915
Medium: still image
Color: black and white
Size: 8.3 cm x 10.3 cm
Polarity: Positive
Image No: MS003-032A-25-17
Collection Name: Calumet and Hecla Photograph Collection
Terms of Use: Rights to reproduce and distribute this image may be restricted. Contact the Michigan Technological University Archives and Copper Country Historical Collections for further information.
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