A map of the 12th level at the Soudan Mine starting from the Alaska Shaft going west towards the No. 8 Shaft and east. The map shows the drifts, cross cuts, rock formations, raises, core sample drill holes, and stope areas. Lake Superior Datum.
Oliver Iron Mining Division, United States Steel Corporation
Date Created:
1938-01-01 - 1953-06-01
Description:
A map of the 15th level at the Soudan Mine starting from the No. 8 Shaft going east. The map shows the drifts, cross cuts, rock formations, raises, core sample drill holes, and stope areas. Lake Superior Datum.
Oliver Iron Mining Division, United States Steel Corporation
Date Created:
1939-01-01 - 1957-03-01
Description:
A map of the 17th level at the Soudan Mine continuing from Map One going east towards the Alaska Shaft. The map shows the drifts, cross cuts, rock formations, raises, core sample drill holes, and stope areas. Lake Superior Datum.
A map of the 17th level at the Soudan Mine starting from the No. 8 Shaft going east and west. The map shows the drifts, cross cuts, rock formations, raises, core sample drill holes, and stope areas. Lake Superior Datum.
A map of the 18th level at the Soudan Mine starting from the No. 8 Shaft going west. The map shows the drifts, cross cuts, rock formations, raises, core sample drill holes, and stope areas. Lake Superior Datum.
A map of the 15th level at the Soudan Mine starting from the No. 8 Shaft going west and a portion to the east. The map shows the drifts, cross cuts, rock formations, raises, core sample drill holes, and stope areas. Lake Superior Datum.
A map of the 12th level at the Soudan Mine starting from the No. 8 Shaft going west and east towards the Alaska Shaft. The map shows the drifts, cross cuts, rock formations, raises, core sample drill holes, and stope areas. Lake Superior Datum.
A map of the 20th level at the Soudan Mine starting from the No. 8 Shaft going west. The map shows the drifts, cross cuts, rock formations, raises, core sample drill holes, and stope areas. Lake Superior Datum.