@misc{indiciae20c8898fe934,
  title = {Application of electromagnetic techniques in survey of contaminated groundwater at an abandoned mine complex in southwestern Indiana, U.S.A.},
  author = {G.A. Brooks and G.A. Olyphant and D. Harper},
  year = {1991},
  doi = {10.1007/bf01704576},
  url = {https://pubs.usgs.gov/publication/70016735},
  note = {Source identifier: 70016735}
}