@misc{indiciae2f78e96f344d,
  title = {Selected trace-element and organic contaminants in streambed sediments of the Potomac River Basin, August 1992},
  author = {James M. Gerhart and Joel D. Blomquist},
  year = {1995},
  doi = {10.3133/wri954267},
  url = {https://pubs.usgs.gov/publication/wri954267},
  note = {Source identifier: wri954267}
}