@misc{indiciaea356860f145e,
  title = {Bedrock geology of the Grand Lake area, Aroostook, Hancock, Penobscot, and Washington counties, Maine},
  author = {David Marcel Larrabee and Charles Winthrop Spencer and Donald J. P. Swift},
  year = {1965},
  doi = {10.3133/b1201e},
  url = {https://pubs.usgs.gov/publication/b1201E},
  note = {Source identifier: b1201E}
}