@misc{indiciaeba74286417e0,
  title = {Surficial geologic map of the Holliston quadrangle, Middlesex, Norfolk, and Worcester Counties, Massachusetts},
  author = {Richard Peter Volckmann},
  year = {1974},
  doi = {10.3133/ofr741118},
  url = {https://pubs.usgs.gov/publication/ofr741118},
  note = {Source identifier: ofr741118}
}