@misc{indiciaebcffaa42ff3d,
  title = {Analyses of native water and dredged material from southern Louisiana waterways, 1975-76},
  author = {Charles R. Demas and Patricia C. Higgins},
  year = {1977},
  doi = {10.3133/ofr77503},
  url = {https://pubs.usgs.gov/publication/ofr77503},
  note = {Source identifier: ofr77503}
}