@misc{indiciae530527331836,
  title = {Preliminary geologic report on the Berkshire Mine, Berkshire, Franklin County, Vermont},
  author = {John H. Eric},
  year = {1943},
  doi = {10.3133/ofr79355},
  url = {https://pubs.usgs.gov/publication/ofr79355},
  note = {Source identifier: ofr79355}
}