@misc{indiciae79e0550c098a,
  title = {Stratigraphy in southwestern Maine and southeastern New Hampshire},
  author = {Frank J. Katz},
  year = {1917},
  doi = {10.3133/pp108i},
  url = {https://pubs.usgs.gov/publication/pp108I},
  note = {Source identifier: pp108I}
}