@misc{indiciaed2d8a9a1fee1,
  title = {A field calibration of the sediment-trapping characteristics of the Helley-Smith bedload sampler},
  author = {William W. Emmett},
  year = {1979},
  doi = {10.3133/ofr79411},
  url = {https://pubs.usgs.gov/publication/ofr79411},
  note = {Source identifier: ofr79411}
}