@misc{indiciaea7921ffbff8c,
  title = {Water-quality, streamflow, and ancillary data for nutrients in streams and rivers across the nation, 1992-2001},
  author = {David K. Mueller and Norman E. Spahr},
  year = {2005},
  doi = {10.3133/ds152},
  url = {https://pubs.usgs.gov/publication/ds152},
  note = {Source identifier: ds152}
}