@misc{indiciae8096bad0fbff,
  title = {Procedure for computer-graphic processing of mapped linear data},
  author = {Douglas F. Black and Vincent M. Caruso},
  year = {1980},
  doi = {10.3133/ofr80353},
  url = {https://pubs.usgs.gov/publication/ofr80353},
  note = {Source identifier: ofr80353}
}