@misc{indiciae42d184c17008,
  title = {Methods and sources of data used to develop selected water-quality indicators for streams and ground water for EPA's 2007 Report on the Environment: Science report},
  author = {Nancy T. Baker and John T. Wilson and Michael J. Moran},
  year = {2008},
  doi = {10.3133/ofr20081096},
  url = {https://pubs.usgs.gov/publication/ofr20081096},
  note = {Source identifier: ofr20081096}
}