@misc{indiciaed046e9c356ef,
  title = {A lithologic map of the New England states and eastern New York},
  author = {E-an Zen},
  year = {1972},
  doi = {10.3133/ofr72458},
  url = {https://pubs.usgs.gov/publication/ofr72458},
  note = {Source identifier: ofr72458}
}