@misc{indiciaecefd40a1efb4,
  title = {NetpathXL - An excel interface to the program NETPATH},
  author = {David L. Parkhurst and Scott R. Charlton},
  year = {2008},
  doi = {10.3133/tm6a26},
  url = {https://pubs.usgs.gov/publication/tm6A26},
  note = {Source identifier: tm6A26}
}