@misc{indiciae03af55beffdb,
  title = {Investigation of pier scour in coarse-bed streams in Montana, 2001 through 2007},
  author = {Stephen R. Holnbeck},
  year = {2011},
  doi = {10.3133/sir20115107},
  url = {https://pubs.usgs.gov/publication/sir20115107},
  note = {Source identifier: sir20115107}
}