@misc{indiciae81f7c4e7faa3, title = {Over a third of groundwater in USA public-supply aquifers is Anthropocene-age and susceptible to surface contamination}, author = {Bryant C. Jurgens and Kirsten E. Faulkner and Peter B. McMahon and Andrew G. Hunt and Gerolamo C. Casile and Megan B. Young and Kenneth Belitz}, year = {2022}, doi = {10.1038/s43247-022-00473-y}, url = {https://pubs.usgs.gov/publication/70234209}, note = {Source identifier: 70234209} }