@misc{indiciaeccc473139bdf,
  title = {A talc-serpentine body near Middlefield, Massachusetts},
  author = {Norman L. Hatch and Stephen A. Norton},
  year = {1969},
  doi = {10.3133/ofr69121},
  url = {https://pubs.usgs.gov/publication/ofr69121},
  note = {Source identifier: ofr69121}
}