@misc{indiciaefed01277c7d6,
  title = {Chlorinated hydrocarbon and mercury residues in woodcock in the United States, 1970-71},
  author = {D. R. Clark and M. Anne Ross McLane},
  year = {1974},
  url = {https://pubs.usgs.gov/publication/5221217},
  note = {Source identifier: 5221217}
}