@misc{indiciae98c7d3a448df,
  title = {Reports and maps of the Geological Survey released only in the open files, 1951},
  author = {Donald Richard Wiesnet and Lois E. Randall and Benjamin E. Jones},
  year = {1953},
  doi = {10.3133/cir227},
  url = {https://pubs.usgs.gov/publication/cir227},
  note = {Source identifier: cir227}
}