@misc{indiciae20ac4192c413,
  title = {Chapter A6.2. Dissolved oxygen},
  author = {U.S. Geological Survey},
  year = {2020},
  doi = {10.3133/tm9a6.2},
  url = {https://pubs.usgs.gov/publication/tm9A6.2},
  note = {Source identifier: tm9A6.2}
}