@misc{indiciae282e8830cf2b,
  title = {Scour at bridges, what's it all about? Stream stability and scour-assessment at bridges in Pennsylvania},
  author = {M. V. Truhlar and P. A. Telis},
  year = {1997},
  doi = {10.3133/ofr96497},
  url = {https://pubs.usgs.gov/publication/ofr96497},
  note = {Source identifier: ofr96497}
}