@misc{indiciaed1ccab4bb239,
  title = {Potentiometric surfaces on Long Island, New York -- A bibliography of maps},
  author = {D. A. Smolensky},
  year = {1983},
  doi = {10.3133/ofr8470},
  url = {https://pubs.usgs.gov/publication/ofr8470},
  note = {Source identifier: ofr8470}
}