@misc{indiciaeafe3a9526a00,
  title = {Geology of the pegmatites and associated rocks of Maine, including feldspar, quartz, mica, and gem deposits},
  author = {Edson Sunderland Bastin},
  year = {1911},
  doi = {10.3133/b445},
  url = {https://pubs.usgs.gov/publication/b445},
  note = {Source identifier: b445}
}