@misc{indiciae9bdf1e531949,
  title = {Environmental Database For Water-Quality Data for the Penobscot River, Maine: Design Documentation and User Guide},
  author = {Sarah E. Giffen},
  year = {2002},
  doi = {10.3133/ofr2001485},
  url = {https://pubs.usgs.gov/publication/ofr2001485},
  note = {Source identifier: ofr2001485}
}