@misc{indiciaec21e10bb6045,
  title = {Ground-water levels and their relationship to ground-water problems in Suffolk County, Long Island, New York},
  author = {J.F. Hoffman and E.R. Lubke},
  year = {1961},
  url = {https://pubs.usgs.gov/publication/70040437},
  note = {Source identifier: 70040437}
}