TY - RPRT TI - Elevated manganese concentrations in United States groundwater, role of land surface–soil–aquifer connections AU - Peter B. McMahon AU - Kenneth Belitz AU - James E. Reddy AU - Tyler D. Johnson PY - 2018 DO - 10.1021/acs.est.8b04055 UR - https://pubs.usgs.gov/publication/70201744 ID - 70201744 ER -