@misc{indiciae3cfa431b08a3,
  title = {Water quality of the Potomac River at Chain Bridge at Washington, D.C.; hydrologic-data report, 1978 water year},
  author = {Stephen F. Blanchard},
  year = {1983},
  doi = {10.3133/ofr83147},
  url = {https://pubs.usgs.gov/publication/ofr83147},
  note = {Source identifier: ofr83147}
}