TY - RPRT TI - Occurrence and sources of radium in groundwater associated with oil fields in the southern San Joaquin Valley, California AU - Peter B. McMahon AU - Avner Vengosh AU - Tracy Davis AU - Matthew K. Landon AU - Rebecca L. Tyne AU - Michael T. Wright AU - Justin T. Kulongoski AU - Andrew G. Hunt AU - Peter H. Barry AU - A.J. Kondash AU - Z. Wang AU - Christopher J. Ballentine PY - 2019 DO - 10.1021/acs.est.9b02395 UR - https://pubs.usgs.gov/publication/70204862 ID - 70204862 ER -