@misc{indiciaecdd0153c3b86,
  title = {Sediment transport and deposition, Walnut and Pacheco Creeks, Contra Costa County, California, August 1965-April 1970},
  author = {George Porterfield},
  year = {1972},
  doi = {10.3133/ofr72302},
  url = {https://pubs.usgs.gov/publication/ofr72302},
  note = {Source identifier: ofr72302}
}