@misc{indiciaebe475177bc3b,
  title = {Map showing availability of ground water, Warren Quadrangle, Massachusetts},
  author = {C.J. Londquist},
  year = {1974},
  doi = {10.3133/mf541e},
  url = {https://pubs.usgs.gov/publication/mf541E},
  note = {Source identifier: mf541E}
}