Johnson, John A.2007-01-032022-02-032007-01-032022-02-03https://hdl.handle.net/11124/5787Date scanned: 2002-6-20.USBM #65082; Burning drill (oil-oxygen fuel) front view drill stem pulled up showing burner tip 3 feet above ground level. Burns a 6-1/2-inch diameter vertical hole. Tests by Linde Air Products Company at Reserve Mining Company (Oglebay, Norton & Company) property at Babbitt, Minnesota. - John A. Johnson - October 9, 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 burning drill is operated in an area of grass. This operation is probably related to taconite or iron mining in the area.Rights management statement available at: http://library.mines.edu/digital/rights.htmlIron mines and miningMiningBurning drill with drill stem pulled upStillImage