@misc{indiciae8facc3f19fad,
  title = {Nutrient Concentrations, Loads, and Yields in the Eucha-Spavinaw Basin, Arkansas and Oklahoma, 2002-2004},
  author = {Robert L. Tortorelli},
  year = {2006},
  doi = {10.3133/sir20065250},
  url = {https://pubs.usgs.gov/publication/sir20065250},
  note = {Source identifier: sir20065250}
}