@misc{indiciae65effe1623d5,
  title = {Preliminary map of surficial deposits of the Gardner quadrangle, Worcester County, Massachusetts},
  author = {Byron D. Stone},
  year = {1978},
  doi = {10.3133/ofr78379},
  url = {https://pubs.usgs.gov/publication/ofr78379},
  note = {Source identifier: ofr78379}
}