@misc{indiciae7822953bcee1,
  title = {National Field Manual for the Collection of Water-Quality Data. U.S. Geological Survey Techniques of Water-Resources Investigations, Book 9},
  year = {2015},
  doi = {10.3133/twri09},
  url = {https://pubs.usgs.gov/publication/twri09},
  note = {Source identifier: twri09}
}