@misc{indiciae93e4df949cbe,
  title = {Water-quality monitoring of the Merrimack River watershed in Massachusetts},
  author = {Kaitlin L. Laabs and Natalie L. Roth and Laura K. Yates},
  year = {2022},
  doi = {10.3133/gip216},
  url = {https://pubs.usgs.gov/publication/gip216},
  note = {Source identifier: gip216}
}