@misc{indiciaef35154e7abbe,
  title = {Environmental tracer evidence for connection between shallow and bedrock aquifers and high intrinsic susceptibility to contamination of the conterminous U.S. glacial aquifer},
  author = {John E. Solder and Bryant C. Jurgens and Paul E. Stackelberg and Christopher L. Shope},
  year = {2020},
  doi = {10.1016/j.jhydrol.2019.124505},
  url = {https://pubs.usgs.gov/publication/70209448},
  note = {Source identifier: 70209448}
}