@misc{indiciaed4ca4f0e8230,
  title = {Geologic map of the Lucerne granite, Hancock and Penobscot counties, Maine},
  author = {D. R. Wones and R. A. Ayuso},
  year = {1993},
  doi = {10.3133/i2360},
  url = {https://pubs.usgs.gov/publication/i2360},
  note = {Source identifier: i2360}
}