coal mill explosion safety for sale in zambia HTTPS. AMERICAN ROLLING MILL/NELLIS NO. 3 November 8, 1943 Eleven Dead from Nellis Mine Explosion, Coal Valley News, 11 11 1943 Violation of Safety Rule Saved 11 Miners at Nellis, Charleston Gazette, 11 11 1943 Jan 18, 1993 This powder mill flourished until 1839 or 1840, when its buildings were …