@misc{indiciae0414ed1a8c17,
  title = {Distribution and extent of heavy metal accumulation in Song Sparrows ( Melospiza melodia ), upper Santa Cruz River watershed, southern Arizona, 2011-12},
  author = {Michael B. Lester and Charles van Riper},
  year = {2014},
  doi = {10.3133/ofr20141072},
  url = {https://pubs.usgs.gov/publication/ofr20141072},
  note = {Source identifier: ofr20141072}
}