@misc{indiciae8d32fe8ce1db,
  title = {Water-quality trends in New England rivers during the 20th century},
  author = {Keith W. Robinson and Jean P. Campbell and Norbert A. Jaworski},
  year = {2003},
  doi = {10.3133/wri034012},
  url = {https://pubs.usgs.gov/publication/wri034012},
  note = {Source identifier: wri034012}
}