@misc{indiciae783fc641714d,
  title = {Mineral production (1900-1977) of the Sherbrooke-Lewiston 1° x 2° quadrangles; Maine, New Hampshire, and Vermont},
  author = {W.J. Bawiec},
  year = {1984},
  doi = {10.3133/ofr84752},
  url = {https://pubs.usgs.gov/publication/ofr84752},
  note = {Source identifier: ofr84752}
}