Title: Coal Crushing Plant
Subject Headings: Industries, Historic Sites - Historic Mines, Natural Resources - Mines and Mineral Resources - Copper Mines and Mining
Description: Calumet and Hecla Mining Company coal crushing plant [Company blue print].
Source of Description: Front of Print
Institution: Michigan Technological University Archives and Copper Country Historical Collections
Donor: Universal Oil Products
Date of Photo: March 2 1923
Medium: still image
Size: 96.5 cm 66 cm
Image No: MS005-125-8442
Collection Name: MS005; Calumet & Hecla Drawing Collection
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