@misc{indiciae8fb64849ff52,
  title = {Surficial geologic map of the Mount Grace-Ashburnham-Monson-Webster 24-quadrangle area in central Massachusetts},
  author = {Janet Radway Stone},
  year = {2013},
  doi = {10.3133/ofr20061260i},
  url = {https://pubs.usgs.gov/publication/ofr20061260I},
  note = {Source identifier: ofr20061260I}
}