TY - RPRT TI - Stable lead isotopes reveal a natural source of high lead concentrations to gasoline-contaminated groundwater AU - J. E. Landmeyer AU - P. M. Bradley AU - T.D. Bullen PY - 2003 DO - 10.1007/s00254-003-0863-5 UR - https://pubs.usgs.gov/publication/70024662 ID - 70024662 ER -