@misc{indiciae760086379a6c,
  title = {Summaries of technical reports, volume XVIII},
  author = {M.L. Jacobson and T.R. Rodriguez},
  year = {1984},
  doi = {10.3133/ofr84628},
  url = {https://pubs.usgs.gov/publication/ofr84628},
  note = {Source identifier: ofr84628}
}