@misc{indiciaed1c7693888d2,
  title = {Use of geophysical logs to estimate water-quality trends in carbonate aquifers},
  author = {Lawrence Mead MacCary},
  year = {1980},
  doi = {10.3133/wri8057},
  url = {https://pubs.usgs.gov/publication/wri8057},
  note = {Source identifier: wri8057}
}