@misc{indiciae814bb6eb69e9, 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/ofr88387b}, url = {https://pubs.usgs.gov/publication/ofr88387B}, note = {Source identifier: ofr88387B} }