@misc{indiciae9d364b18caaa,
  title = {Use of processed geophysical data to improve the delineation of infilled scour holes at bridge piers},
  author = {F.P. Haeni and Gary Placzek},
  year = {1991},
  url = {https://pubs.usgs.gov/publication/70206249},
  note = {Source identifier: 70206249}
}