@misc{indiciaefe23f15fea62,
  title = {National Water-Quality Assessment Program; Ozark Plateaus Ground-Water Study},
  author = {A.L. Pugh and J.C. Adamski},
  year = {1993},
  doi = {10.3133/ofr93434},
  url = {https://pubs.usgs.gov/publication/ofr93434},
  note = {Source identifier: ofr93434}
}