@misc{indiciae24dcffcf3906,
  title = {Report on the geology of the Katahdin pyrrhotite deposit and vicinity, Piscataquis County, Maine},
  author = {Ralph L. Miller},
  year = {1944},
  doi = {10.3133/ofr4461},
  url = {https://pubs.usgs.gov/publication/ofr4461},
  note = {Source identifier: ofr4461}
}