@misc{indiciae8a52e0c9396c,
  title = {Bedrock geology of the Grand Lake area, Maine},
  author = {David M. Larrabee and Charles W. Spencer and Donald J. P. Swift},
  year = {1964},
  doi = {10.3133/ofr64100},
  url = {https://pubs.usgs.gov/publication/ofr64100},
  note = {Source identifier: ofr64100}
}