@misc{indiciae852282f07f8f,
  title = {Reports and maps of the Geological Survey released only in the open files, 1958},
  author = {Betsy Anne Weld and Erwin S. Asselstine and Arthur Johnson},
  year = {1959},
  doi = {10.3133/cir412},
  url = {https://pubs.usgs.gov/publication/cir412},
  note = {Source identifier: cir412}
}