@misc{indiciae7544e5c9ec4e,
  title = {Ground-water geology and hydrology of the Maynard area, Massachusetts},
  author = {Nathaniel M. Perlmutter},
  year = {1962},
  doi = {10.3133/wsp1539e},
  url = {https://pubs.usgs.gov/publication/wsp1539E},
  note = {Source identifier: wsp1539E}
}