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Drill Bit Tempering

Description

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Cite this Export citation file
Published
Soudan Underground Mine State Park, PO BOX 335, Soudan, MN 55782. 6/25/1942
Summary
e152ea99af69170d6214ef436d0ac9c3
Edwin J. St. Vincent drawing drill bits from the tempering tank in the drill shop at Soudan Mine.
Note
United States
Minnesota
St. Louis
Vermilion Iron Range
Soudan; Breitung Township
Soudan Mine
Use and Reproduction Note
This image intended for single, educational use. All other rights reserved. Express written consent of the Soudan Underground Mine State Park is required for any non educational, multiple use.
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