@misc{indiciae1ae5f5c6d083,
  title = {Analysis of bottom material from the Willamette River, Portland Harbor, Oregon},
  author = {Stuart W. McKenzie},
  year = {1977},
  doi = {10.3133/ofr77740},
  url = {https://pubs.usgs.gov/publication/ofr77740},
  note = {Source identifier: ofr77740}
}