A map of the 21st level at the Soudan Mine starting from the No. 8 Shaft going east and weSaint The No. 8 Shaft is not listed, but it appears at the 3,8 NW of SW. The map shows the drifts, cross cuts, rock formations, raises, core sample drill holes, and stope areas. Lake Superior Datum.
Creator
Oliver Iron Mining Company
Subject
Business and industry
Temporal Coverage
1943-04-07 - 1946-08-01
Rights
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