@misc{indiciae1ced7d620003,
  title = {GSSECT version 2.0; a prototype program to assist drawing of cross sections and compute gradients along a profile using a microcomputer (IBM PC or compatible), digitizer, and plotter},
  author = {Gary I. Selner and Richard B. Taylor},
  year = {1988},
  doi = {10.3133/ofr88429a},
  url = {https://pubs.usgs.gov/publication/ofr88429A},
  note = {Source identifier: ofr88429A}
}