@misc{indiciaedc449407d60b,
  title = {A historical look at changing water quality in the Delaware River basin},
  author = {Jennifer C. Murphy and Megan E. Shoda},
  year = {2020},
  doi = {10.3133/fs20203007},
  url = {https://pubs.usgs.gov/publication/fs20203007},
  note = {Source identifier: fs20203007}
}