TY - RPRT TI - Machine learning predictions of pH in the Glacial Aquifer System, Northern USA AU - Paul E. Stackelberg AU - Kenneth Belitz AU - Craig J. Brown AU - Melinda L. Erickson AU - Sarah M. Elliott AU - Leon J. Kauffman AU - Katherine Marie Ransom AU - James E. Reddy PY - 2020 DO - 10.1111/gwat.13063 UR - https://pubs.usgs.gov/publication/70217587 ID - 70217587 ER -