@misc{indiciae9d39eed935a2,
  title = {Suspended matter in the Colorado River in 1925-1928},
  author = {C. S. Howard},
  year = {1930},
  doi = {10.3133/wsp636b},
  url = {https://pubs.usgs.gov/publication/wsp636B},
  note = {Source identifier: wsp636B}
}