@misc{indiciae7725000b1412,
  title = {A manual to identify sources of fluvial sediment},
  author = {Allen C. Gellis and Faith A. Fitzpatrick and Joseph Schubauer-Berigan},
  year = {2016},
  url = {https://pubs.usgs.gov/publication/70182516},
  note = {Source identifier: 70182516}
}