Mountain Iron Mine

Mountain Iron Mine is a former mine in Mountain Iron, Minnesota, United States. Opened in 1892, it was the first mine on the Mesabi Range, which has proved to be the largest iron ore deposit ever discovered. Mining operations at the site ceased in 1956. The bottom of the open-pit mine has filled with water but its dimensions are readily visible.[3] The city maintains an overlook in Mountain Iron Locomotive Park.[4]

Mountain Iron Mine
Mountain Iron Mine from a city overlook
LocationNorth of Mountain Iron, Minnesota
Coordinates47°32′20″N 92°37′20″W
Area240 acres (97 ha)
Built1892
NRHP reference No.68000052[1]
Significant dates
Added to NRHPNovember 24, 1968
Designated NHLOctober 10, 1968[2]

Mountain Iron Mine was proclaimed a National Historic Landmark in 1968 and subsequently listed on the National Register of Historic Places for its national significance in the theme of industry.[5] The property was nominated for setting in motion the extraction of iron ore on the Mesabi Range, which helped make Minnesota the nation's largest iron producer and the United States the world's largest steel manufacturer.[3]

History

The discovery of a boulder of high-grade iron ore by Leonidas Merritt in 1887 during a railroad survey prompted he and his brothers to establish the Mountain Iron Mine in 1892. By 1893 the "Seven Iron Brothers" had claims on a significant portion of the Mesabi Range and had built the Duluth, Missabe and Northern Railway (DM&IR). Financial conditions forced them sell their shares to John D. Rockefeller.[6] Rockefeller later sold his interests to Andrew Carnegie.

The early development was as an underground mine, but open-pit mining soon proved to be a better choice because of the soft, shallow ore deposits. The Mesabi Range and nearby Vermilion Range led Minnesota to become the nation's largest producer of iron ore and the United States to lead the world in steel production. This capacity is considered to have been a major factor in America's ability to contribute to World War II. It also played a major role in the financial success of Andrew Carnegie and U.S. Steel.[3] Carnegie returned some of his fortune to the communities by funding 2,500 public Carnegie libraries across the country, including 64 in Minnesota.[7] The extraction of ore in the region also contributed to the city of Duluth thriving and becoming the leading port in the United States (by tonnage) in the early 20th century.

See also

References
  1. "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.
  2. "List of National Historic Landmarks by State" (PDF). National Historic Landmark summary listing. National Park Service. p. 53. Retrieved 2009-09-04.
  3. Lissandrello, Stephen (1975-08-11). "National Register of Historic Places Inventory--Nomination Form: Mountain Iron Mine". National Park Service. Retrieved 2018-12-23. Cite journal requires |journal= (help) With 3 accompanying photos from 1975
  4. "Mt. Iron Locomotive Park". Iron Range Tourism Bureau. 2018. Retrieved 2018-12-23.
  5. "Mountain Iron Mine (National Historic Landmark)". Minnesota National Register Properties Database. Minnesota Historical Society. 2009. Retrieved 2018-12-23.
  6. "Merritt Brothers". Minnesota Historical Society. Retrieved 2018-12-23.
  7. Jones, Theodore (1997). Carnegie Libraries Across America: A Public Legacy. John Wiley & Sons. ISBN 0-471-14422-3.
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