@misc{indiciaecf6cbca00ec8,
  title = {Scour at bridge sites in Delaware, Maryland, and Virginia},
  author = {Donald C. Hayes},
  year = {1996},
  doi = {10.3133/wri964089},
  url = {https://pubs.usgs.gov/publication/wri964089},
  note = {Source identifier: wri964089}
}