@misc{indiciae6aa5a55ce0bb,
  title = {Programs for simplifying the analysis of geographic information in U. S. Geological Survey ground-water models},
  author = {R.B. Winston},
  year = {2001},
  doi = {10.3133/ofr01392},
  url = {https://pubs.usgs.gov/publication/ofr01392},
  note = {Source identifier: ofr01392}
}