@misc{indiciae6c3bea8c3122,
  title = {GSLXY version 1.0; a prototype program to draw cross sections and plot plan views from drill hole data on an X, Y, coordinate system using an IBM PC (or compatible) microcomputer, digitizer and plotter},
  author = {Gary I. Selner and Richard B. Taylor},
  year = {1988},
  doi = {10.3133/ofr88387a},
  url = {https://pubs.usgs.gov/publication/ofr88387A},
  note = {Source identifier: ofr88387A}
}