@misc{indiciae3b8eb051969a,
  title = {An inventory of published and unpublished fluvial-sediment data for California, 1956-70},
  author = {George Porterfield},
  year = {1972},
  doi = {10.3133/ofr72300},
  url = {https://pubs.usgs.gov/publication/ofr72300},
  note = {Source identifier: ofr72300}
}