@misc{indiciae39a54e4bdb2b,
  title = {Preliminary geochemical and geological map of part of Squaretown, Somerset County, Maine},
  author = {Frank Cogswell Canney and Edwin Van Horn Post},
  year = {1963},
  doi = {10.3133/ofr6313},
  url = {https://pubs.usgs.gov/publication/ofr6313},
  note = {Source identifier: ofr6313}
}