@misc{indiciae66d58469bf36,
  title = {Bedrock geologic map of the Nashua South quadrangle, Hillsborough County, New Hampshire, and Middlesex County, Massachusetts},
  author = {Gregory J. Walsh and Richard H. Jahns and John N. Aleinikoff},
  year = {2013},
  doi = {10.3133/sim3200},
  url = {https://pubs.usgs.gov/publication/sim3200},
  note = {Source identifier: sim3200}
}