This primary source comes from the Records of the Environmental Protection Agency.
National Archives Identifier:
543815Full Citation: The Rico-Argentine Co. Sulphuric Acid Mill. Although The Mill Has Been Closed For Six Years, Water Seeping From Old Mine Shafts Pollutes Nearby Streams With Iron Oxide; 5/1972; Records of the Environmental Protection Agency, Record Group 412. [Online Version, https://www.docsteach.org/documents/document/the-ricoargentine-co-sulphuric-acid-mill-although-the-mill-has-been-closed-for-six-years-water-seeping-from-old-mine-shafts-pollutes-nearby-streams-with-iron-oxide, April 29, 2024]