@misc{indiciae0081dd8fddbf,
  title = {Chemical character of streams in the Delaware River basin},
  author = {Peter W. Anderson and Leo T. McCarthy},
  year = {1963},
  doi = {10.3133/ofr632},
  url = {https://pubs.usgs.gov/publication/ofr632},
  note = {Source identifier: ofr632}
}