TY - RPRT TI - Oxygen, hydrogen, sulfur, and carbon isotopes in the Pea Ridge magnetite-apatite deposit, southeast Missouri, and sulfur isotope comparisons to other iron deposits in the region AU - Craig A. Johnson AU - Warren C. Day AU - Robert O. Rye PY - 2016 DO - 10.2113/econgeo.111.8.2017 UR - https://pubs.usgs.gov/publication/70178781 ID - 70178781 ER -