@misc{indiciaefbf44dcbb485,
  title = {Surficial geology of the Athol quadrangle, Worcester and Franklin Counties, Massachusetts},
  author = {Donald F. Eschman},
  year = {1966},
  doi = {10.3133/b1163c},
  url = {https://pubs.usgs.gov/publication/b1163C},
  note = {Source identifier: b1163C}
}