@misc{indiciae9f9b95448655,
  title = {NAWQA, National Water-Quality Assessment Program; Allegheny-Monongahela River Basin},
  author = {Steven D. McAuley and Juliane B. Brown and James I. Sams},
  year = {1997},
  doi = {10.3133/ofr97246},
  url = {https://pubs.usgs.gov/publication/ofr97246},
  note = {Source identifier: ofr97246}
}