Petersen, Max S.2007-01-032022-02-032007-01-032022-02-03https://hdl.handle.net/11124/5767Date scanned: 2002-6-20.USBM #64865; General view open cut, showing belt conveyor. Hill-Annex Mine, Inter-State Iron Company, Calumet, Minnesota. - M. S. Petersen - October 1946.Held in the Russell L. and Lyn Wood Mining History Archive, Arthur Lakes Library, Colorado School of Mines.Donor: United States Bureau of Mines.A view of the Hill-Annex pit shows haulage trucks and a belt conveyor in the distance. The Hill-Annex Mine was an open pit iron mine in the Mesabi Range, Minnesota. The Mine started shipping ore in 1914 under Inter-State Iron Company and operated until 1978, producing some 63 million tons of ore. After the Hill-Annex was closed the pit flooded, and the site became a state park in 1988.Rights management statement available at: http://library.mines.edu/digital/rights.htmlInter-State Iron CompanyIron mines and miningOpen pit miningOre handling and transportationStillImage