@misc{indiciae3df18a34ce5d,
  title = {U.S. Geological Survey Quality-Assurance Project for Sediment Analysis},
  author = {John D. Gordon and Carla Newland},
  year = {2000},
  doi = {10.3133/fs03100},
  url = {https://pubs.usgs.gov/publication/fs03100},
  note = {Source identifier: fs03100}
}