@misc{indiciae812d301ed296,
  title = {Cliff swallows Petrochelidon pyrrhonota as bioindicators of environmental mercury, Cache Creek Watershed, California},
  author = {Roger L. Hothem and Bonnie S. Trejo and Marissa L. Bauer and John J. Crayon},
  year = {2008},
  doi = {10.1007/s00244-007-9082-5},
  url = {https://pubs.usgs.gov/publication/70033187},
  note = {Source identifier: 70033187}
}