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Minnesota Reflections

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  • All fields: Engineering maps
(38 results)



Display: 50

    • CPA/UPA power line tower placement maps for Grant County, Minnesota

    • 1976
    • 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...
    • Grant County Historical Society
    • Geological Society of Minnesota News, Volume LV, Number 1, Spring 2001

    • 2001
    • The Spring 2001 edition of the Geological Society of Minnesota (GSM) newsletter included society notices, news of budget cuts at Minnesota Geological Survey, a report on plans for a trip to Utah, a story on radon, and a memorial to Kerry Kelts.
    • Geological Society of Minnesota
    • No. 8 Shaft, 16th Level, Soudan, Minnesota

    • 1915-01-01 - 1929-01-01
    • A map of the 16th 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.
    • Soudan Underground Mine State Park
    • Soudan Mine, Alaska Shaft, 12th level, Soudan, Minnesota

    • 1939-01-01 - 1942-01-01
    • 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.
    • Soudan Underground Mine State Park
    • Soudan Mine, No. 8 Shaft, 10th Level, West, v

    • 1953-08-03
    • 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.
    • Soudan Underground Mine State Park
    • Soudan Mine, No. 8 Shaft, 11th Level, Soudan, Minnesota

    • 1906-01-01
    • A map of the 11th level at the Soudan Mine starting from the No. 8 Shaft going west. The map shows the drifts, rock formations, and areas that were mined out. Lake Superior Datum.
    • Soudan Underground Mine State Park
    • Soudan Mine, No. 8 Shaft, 12th Level, Soudan, Minnesota

    • 1937-01-01 - 1950-01-01
    • 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.
    • Soudan Underground Mine State Park
    • Soudan Mine, No. 8 Shaft, 13th Level, West, Soudan, Minnesota

    • 1953-08-03
    • 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.
    • Soudan Underground Mine State Park
    • Soudan Mine, No. 8 Shaft, 15th Level, East, Soudan, Minnesota

    • 1938-01-01 - 1953-06-01
    • 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.
    • Soudan Underground Mine State Park
    • Soudan Mine, No. 8 Shaft, 15th Level, Soudan, Minnesota

    • 1914-01-01 - 1940-01-01
    • 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.
    • Soudan Underground Mine State Park
    • Soudan Mine, No. 8 Shaft, 17th Level (Map One), Soudan, Minnesota

    • 1937-01-01 - 1948-09-01
    • 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.
    • Soudan Underground Mine State Park
    • Soudan Mine, No. 8 Shaft, 18th Level (Map One), Soudan, Minnesota

    • 1919-01-01 - 1944-01-01
    • 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.
    • Soudan Underground Mine State Park
    • Soudan Mine, No. 8 Shaft, 19th Level, Soudan, Minnesota

    • 1940-01-01 - 1950-01-01
    • 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.
    • Soudan Underground Mine State Park
    • Soudan Mine, No. 8 Shaft, 20th Level, Soudan, Minnesota

    • 1924-01-01 - 1939-01-01
    • 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.
    • Soudan Underground Mine State Park
    • Soudan Mine, No. 8 Shaft, 21st Level, Soudan, Minnesota

    • 1943-04-07 - 1946-08-01
    • 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...
    • Soudan Underground Mine State Park
    • Soudan Mine, No. 8 Shaft, 25th Level, East Montana, Map Two, Soudan, Minnesota

    • 1959-01-01 - 1962-01-01
    • 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...
    • Soudan Underground Mine State Park
    • Soudan Mine, No. 8 Shaft, 25th Level, Montana, Map One, Soudan, Minnesota

    • 1959-01-01 - 1962-01-01
    • 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...
    • Soudan Underground Mine State Park
    • Soudan Mine, No. 8 Shaft, 25th Level, West, Soudan, Minnesota

    • 1948-01-01 - 1959-01-01
    • 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.
    • Soudan Underground Mine State Park
    • Soudan Mine, No. 8 Shaft, 27th Level, East, Soudan, Minnesota

    • 1956-01-01 - 1962-01-01
    • 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.
    • Soudan Underground Mine State Park
    • Soudan Mine, No. 8 Shaft, 27th Level, Montana Extension, Soudan, Minnesota

    • 1959-01-01 - 1961-05-01
    • 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...
    • Soudan Underground Mine State Park
    • Soudan Mine, No. 8 Shaft, 27th Level, Montana, Map One, Soudan, Minnesota

    • 1959-05-01 - 1962-05-01
    • 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...
    • Soudan Underground Mine State Park
    • Soudan Mine, No. 8 Shaft, 27th Level, Soudan, Minnesota

    • 1954-01-01 - 1959-01-01
    • 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.
    • Soudan Underground Mine State Park
    • Soudan Mine, No. 8 Shaft, 5th Level, West, Soudan, Minnesota

    • 1953-08-03
    • 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....
    • Soudan Underground Mine State Park
    • Soudan Mine, No. 8 Shaft, 6th Level, West, Soudan, Minnesota

    • 1953-08-03
    • 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...
    • Soudan Underground Mine State Park
    • Soudan Mine, No. 8 Shaft, 7th Level, West, Soudan, Minnesota

    • 1953-08-03
    • 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...
    • Soudan Underground Mine State Park
    • Soudan Mine, No. 8 Shaft, 8th Level, West, Soudan, Minnesota

    • 1953-08-03
    • 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...
    • Soudan Underground Mine State Park
    • Soudan Mine, No. 8 Shaft, 9th Level, West, Soudan, Minnesota

    • 1953-08-03
    • 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...
    • Soudan Underground Mine State Park

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