The Minnesota Iron Company, incorporated in 1890, was engaged in underground iron ore mining on the Vermilion Range that ran between Tower and Soudan on the west and Ely and Winton on the east of the range.
Contributing Institution:
University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections
An unidentified underground mine pit with a steam locomotive Number 1 of the Duluth and Iron Range railway at work, probably at Tower or Ely, Minnesota, on the Vermilion Iron Range.
Contributing Institution:
University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections
Marion Model K steam shovel with a two and a half cubic yard dipper working along side a 25 ton wooden ore car for the Oliver Iron Mining Company in the open pit Mountain Iron mine.
Contributing Institution:
University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections
Gathering of the officers, superintendents, captains, foremen, engineers, and engineer's helpers of the Hibbing Chisholm district offices of the Oliver Iron Mining Company on the occasion of the promotion of Pentecost Mitchell from general superintendent to president.
Contributing Institution:
University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections