@misc{indiciaecf8edda72a0e,
  title = {Application of electromagnetic logging to contamination investigations in glacial sand-and-gravel aquifers},
  author = {John H. Williams and Wayne W. Lapham and Thomas H. Barringer},
  year = {2007},
  doi = {10.1111/j.1745-6592.1993.tb00082.x},
  url = {https://pubs.usgs.gov/publication/70206238},
  note = {Source identifier: 70206238}
}