@misc{indiciae894c0c50815b,
  title = {Bridge scour monitoring methods at three sites in Wisconsin},
  author = {John F. Walker and Peter E. Hughes},
  year = {2005},
  doi = {10.3133/ofr20051374},
  url = {https://pubs.usgs.gov/publication/ofr20051374},
  note = {Source identifier: ofr20051374}
}