Williams, M. L.2007-01-032022-02-032007-01-032022-02-03http://hdl.handle.net/11124/7252Date scanned: 2002-6-26.K.R.-4; Blast holes loaded and ready for firing sequence. Bottom center, bottom ribs, top center, top ribs. Knife River Mine, Knife River Mining Company, Beulah, Mercer County, North Dakota. - February 1948 - M. L. Williams.Held in the Russell L. and Lyn Wood Mining History Archive, Arthur Lakes Library, Colorado School of Mines.Donor: United States Bureau of Mines.The Knife River Mine, an underground coal mine south of Beulah, North Dakota, was operated by the Knife River Mining Company. Around 1950 the Mine's shallow underground workings were discontinued and the Mine continued operation as a strip mine. The last underground mine in North Dakota closed in 1966. The Knife River Mine was one of a handful of surface coal mines still in operation in 2003.Rights management statement available at: http://library.mines.edu/digital/rights.htmlKnife River Mining CompanyBlastingCoal mines and miningScenes, undergroundUnderground miningStillImage