TY - RPRT TI - Over a third of groundwater in USA public-supply aquifers is Anthropocene-age and susceptible to surface contamination AU - Bryant C. Jurgens AU - Kirsten E. Faulkner AU - Peter B. McMahon AU - Andrew G. Hunt AU - Gerolamo C. Casile AU - Megan B. Young AU - Kenneth Belitz PY - 2022 DO - 10.1038/s43247-022-00473-y UR - https://pubs.usgs.gov/publication/70234209 ID - 70234209 ER -