@misc{indiciaef70f9d65e250,
  title = {Surficial geologic map of the Medfield quadrangle, Norfolk and Middlesex Counties, Massachusetts},
  author = {Richard P. Volckmann},
  year = {1975},
  doi = {10.3133/gq1218},
  url = {https://pubs.usgs.gov/publication/gq1218},
  note = {Source identifier: gq1218}
}