Cooperative Power Association, Minneapolis, Minnesota, and United Power Association, Elk River, Minnesota, power line placement maps for Grant County and portions of Traverse and Stevens counties. Each map shows tower placement on copies of aerial photographs of affected properties and a graph showing elevations of towers above sea level.
Oliver Iron Mining Division, United States Steel Corporation
Date Created:
1959-05-01 - 1962-05-01
Description:
A 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.
Oliver Iron Mining Division, United States Steel Corporation
Date Created:
1959-01-01 - 1962-01-01
Description:
A map of the 25th level at the Soudan Mine focusing on the Montana ore body. This is close up of the western section of the entire 25th Level map. 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:
1959-01-01 - 1962-01-01
Description:
A map of the 25th level at the Soudan Mine focusing on the Montana ore body. This is close up of the western section of the entire 25th Level map. 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:
1959-01-01 - 1961-05-01
Description:
A 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.
A map of the 23rd level at the Soudan Mine continuing from Map One going east. The map shows the drifts, cross cuts, and stope areas. Lake Superior Datum
Oliver Iron Mining Division, United States Steel Corporation
Date Created:
1956-01-01 - 1962-01-01
Description:
A map of the 27th level at the Soudan Mine starting from the No. 8 Shaft going east. The map shows the drift, 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:
1956-01-01 - 1958-01-01
Description:
A map of the 22nd level at the Soudan Mine continuing from where the first section of the map ended. 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:
1956-01-01 - 1961-01-01
Description:
A map of the 22nd 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.
Oliver Iron Mining Division, United States Steel Corporation
Date Created:
1954-01-01 - 1959-01-01
Description:
A map of the 27th level at the Soudan Mine starting from the No. 8 Shaft going west towards the ore body. The map shows the drift, cross cuts, rock formations, raises, core sample drill holes, and stope area. Lake Superior Datum.
Oliver Iron Mining Division, United States Steel Corporation
Date Created:
1953-08-03
Description:
A map of the 10th 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.
Oliver Iron Mining Division, United States Steel Corporation
Date Created:
1953-08-03
Description:
A map of the 13th 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.
Oliver Iron Mining Division, United States Steel Corporation
Date Created:
1953-08-03
Description:
A map of the 9th level at the Soudan Mine starting from the No. 8 Shaft going east towards the No. 7 Shaft and west. The map shows the drifts, cross cuts, rock formations, raises, core sample drill holes, and stope areas. The stope areas include areas that were mined from the 10th level. Lake Superior Datum.
Oliver Iron Mining Division, United States Steel Corporation
Date Created:
1953-08-03
Description:
A map of the 8th level at the Soudan Mine starting from the No. 7 Shaft going east and west. The map shows the No. 8 Shaft, the drifts, cross cuts, rock formations, raises, core sample drill holes, areas that were mined from the 9th level, and stope areas. Lake Superior Datum.
Oliver Iron Mining Division, United States Steel Corporation
Date Created:
1953-08-03
Description:
A map of the 7th level at the Soudan Mine starting from the No. 8 Shaft going east towards the No. 7 Shaft and west. The map shows the drifts, cross cuts, rock formations, raises, core sample drill holes, and stope areas. The map also shows the No. 12 Shaft. Lake Superior Datum.
Oliver Iron Mining Division, United States Steel Corporation
Date Created:
1953-08-03
Description:
A map of the 6th level at the Soudan Mine starting from the No. 8 Shaft going east towards the No. 7 Shaft and west. The map shows the drifts, cross cuts, rock formations, raises, core sample drill holes, and stope areas. The map also shows the No. 9 Shaft and the No. 12 Shaft. Lake Superior Datum.
Oliver Iron Mining Division, United States Steel Corporation
Date Created:
1953-08-03
Description:
A map of the 5th level at the Soudan Mine starting from the No. 8 Shaft going east towards the No. 7 Shaft and west. The map shows the drifts, cross cuts, rock formations, raises, core sample drill holes, and stope areas. The map also shows the No. 9 Shaft and the No. 12 Shaft. Lake Superior Datum.
Oliver Iron Mining Division, United States Steel Corporation
Date Created:
1948-01-01 - 1959-01-01
Description:
A map of the 25th 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.
Oliver Iron Mining Division, United States Steel Corporation
Date Created:
1948-01-01 - 1957-01-01
Description:
A map of the 23rd level at the Soudan Mine starting from the No. 8 Shaft going east. The map shows the drifts, cross cuts, and stope areas. Lake Superior Datum. (There is an additional date stamped of 1962-8-1)
A map of the 21st level at the Soudan Mine starting from the No. 8 Shaft going east and west. 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.
A map of the 19th 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.