@misc{indiciae0d0c07c50e49,
  title = {Map showing status of geologic mapping and investigations in Massachusetts and Rhode Island under cooperative programs},
  author = {Louis W. Currier},
  year = {1950},
  doi = {10.3133/ofr5021},
  url = {https://pubs.usgs.gov/publication/ofr5021},
  note = {Source identifier: ofr5021}
}