@misc{indiciaec046159a5ed7,
  title = {Memorandum on Mary Louise copper mine near Charlemont, Massachusetts},
  author = {Alonzo W. Quinn},
  year = {1943},
  doi = {10.3133/ofr79354},
  url = {https://pubs.usgs.gov/publication/ofr79354},
  note = {Source identifier: ofr79354}
}