@misc{indiciaee2c5c3346e1f,
  title = {Underground water resources of Connecticut, with a study of the occurrence of water in crystalline rocks},
  author = {Herbert E. Gregory and Edwin E. Ellis},
  year = {1909},
  doi = {10.3133/wsp232},
  url = {https://pubs.usgs.gov/publication/wsp232},
  note = {Source identifier: wsp232}
}