@misc{indiciae23b6f38954d3,
  title = {Dredging and contaminant exposure to tree swallows nesting on the upper Mississippi River},
  author = {Thomas W. Custer and Paul M. Dummer and Christine M. Custer and David Warburton},
  year = {2013},
  doi = {10.1007/s10661-013-3234-z},
  url = {https://pubs.usgs.gov/publication/70093224},
  note = {Source identifier: 70093224}
}