@misc{indiciaec765e8927497,
  title = {Status yields and trends of nutrients and sediment and methods of analysis for nontidal data-collection programs, Chesapeake Bay basin, 1985-96},
  author = {Michael J. Langland and Robert E. Edwards and Linda C. Darrell},
  year = {1998},
  doi = {10.3133/ofr9817},
  url = {https://pubs.usgs.gov/publication/ofr9817},
  note = {Source identifier: ofr9817}
}