TY - RPRT TI - Machine-learning predictions of high arsenic and high manganese at drinking water depths of the glacial aquifer system, northern continental United States AU - Melinda L. Erickson AU - Sarah M. Elliott AU - Craig J. Brown AU - Paul E. Stackelberg AU - Katherine Marie Ransom AU - James E. Reddy AU - Charles A. Cravotta PY - 2021 DO - 10.1021/acs.est.0c06740 UR - https://pubs.usgs.gov/publication/70220380 ID - 70220380 ER -