@misc{indiciae8008823c297e,
  title = {Composition of tidal flat sediments, Willapa Bay, Washington},
  author = {Gary W. Hill and John L. Chinn},
  year = {1981},
  doi = {10.3133/ofr81272},
  url = {https://pubs.usgs.gov/publication/ofr81272},
  note = {Source identifier: ofr81272}
}