@misc{indiciaea77d78674293,
  title = {Mineral deposits and occurrences in Vermont, exclusive of clay, sand and gravel, and peat},
  author = {Nancy C. Pearre and James Alfred Calkins},
  year = {1957},
  doi = {10.3133/mr5},
  url = {https://pubs.usgs.gov/publication/mr5},
  note = {Source identifier: mr5}
}