@misc{indiciaee4671ad07f89,
  title = {User's guide to the U.S. Geological Survey Culvert Analysis Program, version 97-08},
  author = {Janice M. Fulford},
  year = {1998},
  doi = {10.3133/wri984166},
  url = {https://pubs.usgs.gov/publication/wri984166},
  note = {Source identifier: wri984166}
}