Oliver Iron Mining Division, United States Steel CorporationA map of the 27th level at the Soudan Mine starting from the beginning of the ore body and continuing west towards the stope on our tours. The map shows the drift (coming from the No. 8 Shaft), cross cuts, rock formations, raises, core sample drill holes, and two stope areas. Lake Superior Datum.JPEGengU.S. Steel Corporation (Ely, Minnesota)PublicBusiness and industrySoudan Mine, No. 8 Shaft, 27th Level, Montana, Map One, Soudan, MinnesotaMapsMinnesota--SoudanMinnesota--Saint Louis County1959-05-01 - 1962-05-01University of Minnesota