@misc{indiciae7666b3d57e73,
  title = {Groundwater age and susceptibility of south Atlantic and Gulf Coast principal aquifers of the contiguous United States},
  author = {John E. Solder},
  year = {2020},
  doi = {10.3133/sir20205050},
  url = {https://pubs.usgs.gov/publication/sir20205050},
  note = {Source identifier: sir20205050}
}