@misc{indiciaee68c601e57e8,
  title = {Reports and maps of the Geological Survey released only in the open files, 1962},
  author = {Betsy A. Weld and Erwin S. Asselstine and Arthur Johnson},
  year = {1963},
  doi = {10.3133/cir473},
  url = {https://pubs.usgs.gov/publication/cir473},
  note = {Source identifier: cir473}
}