@misc{indiciaee5fd31654d53,
  title = {Geologic map of western interior Maine},
  author = {R. H. Moench and K. A. Pankiwskyj},
  year = {1988},
  doi = {10.3133/i1692},
  url = {https://pubs.usgs.gov/publication/i1692},
  note = {Source identifier: i1692}
}