@misc{indiciae8b140102558e,
  title = {Transport and dispersion of labeled bed material, North Loup River, Nebraska},
  author = {W.W. Sayre and D. W. Hubbell},
  year = {1965},
  doi = {10.3133/pp433c},
  url = {https://pubs.usgs.gov/publication/pp433C},
  note = {Source identifier: pp433C}
}