Johnson, John A.2007-01-032022-02-032007-01-032022-02-03https://hdl.handle.net/11124/6949Date scanned: 2002-6-21.O-82-A; Mining company-owned explosives truck delivering explosives to blasting area in open-cut mine. Hull-Rust Mine, Oliver Iron Mining Company, Hibbing, Minnesota (Hibbing-Chisholm District) - J. A. Johnson - Sept. 1947.Held in the Russell L. and Lyn Wood Mining History Archive, Arthur Lakes Library, Colorado School of Mines.Donor: United States Bureau of Mines.An explosives truck marked with the acronym O.I.M.CO. (Oliver Iron Mining Company) is parked at the Hull-Rust Mine. Rail cars are visible on an embankment in the near background. The Hull-Rust Mine (Hull Rust Mahoning Mine) near Hibbing, Minnesota is a series of connected open pit iron mines. The Hull Rust group of mines opened in 1895 as underground workings but were soon converted to open pit operations. The Mine was operated by the Oliver Iron Mining Company and became one of the most important iron ore producers in the US in the 1940s. The present pit was being operated by the Hibbing Taconite Company as of 2004 and is reputed to be the world's largest open pit iron mine.Rights management statement available at: http://library.mines.edu/digital/rights.htmlOliver Iron Mining CompanyExplosivesIron mines and miningOpen pit miningVehiclesStillImage