@misc{indiciae707f2f27222d,
  title = {A geologic-profile plotter},
  author = {O.T. Marsh},
  year = {1960},
  doi = {10.2113/gsecongeo.55.1.201},
  url = {https://pubs.usgs.gov/publication/70220574},
  note = {Source identifier: 70220574}
}