@misc{indiciae4b819b5a65f9,
  title = {User's guide for MODPATH/MODPATH-PLOT, Version 3; a particle tracking post-processing package for MODFLOW, the U.S. Geological Survey finite-difference ground-water flow model},
  author = {David W. Pollock},
  year = {1994},
  doi = {10.3133/ofr94464},
  url = {https://pubs.usgs.gov/publication/ofr94464},
  note = {Source identifier: ofr94464}
}