@misc{indiciae3be20894216b,
  title = {Computation of fluvial-sediment discharge},
  author = {George Porterfield},
  year = {1972},
  doi = {10.3133/twri03c3},
  url = {https://pubs.usgs.gov/publication/twri03C3},
  note = {Source identifier: twri03C3}
}