@misc{indiciaeeb5b8d490881,
  title = {A regional assessment of chemicals of concern in surface waters of four Midwestern United States national parks},
  author = {Sarah M. Elliott and David VanderMeulen},
  year = {2017},
  doi = {10.1016/j.scitotenv.2016.11.114},
  url = {https://pubs.usgs.gov/publication/70180975},
  note = {Source identifier: 70180975}
}