Site Profile J amp L Steel Company EPA OSC Response
Sep 04, 2015 The Benson Mines Company started open pit mining operations at the Site and produced magnetite and non-magnetite ore intermittently up through 1918; however, the mine closed from 1919 to 1941. The Site was re-opened in 1941 when the J&L Steel Corporation leased the Site and its mineral properties under the company name Jones and Laughlin Ore Co.