@misc{indiciae50cb58a341b4,
  title = {Cooperative ground-water investigations in Massachusetts by the United States Geological Survey, 1938-50},
  author = {M.L. Brashears},
  year = {1950},
  doi = {10.3133/ofr5061},
  url = {https://pubs.usgs.gov/publication/ofr5061},
  note = {Source identifier: ofr5061}
}