@misc{indiciae331dc3489306,
  title = {Gulf of Mexico dead zone —The last 150 years},
  author = {Lisa Osterman and P.W. Swarzenski and R.Z. Poore},
  year = {2006},
  doi = {10.3133/fs20063005},
  url = {https://pubs.usgs.gov/publication/fs20063005},
  note = {Source identifier: fs20063005}
}