@misc{indiciae93a39f202fb2,
  title = {Analysis of native water, bed material, and elutriate samples of major Louisiana waterways, 1975},
  author = {Charles R. Demas},
  year = {1976},
  doi = {10.3133/ofr76853},
  url = {https://pubs.usgs.gov/publication/ofr76853},
  note = {Source identifier: ofr76853}
}