TY - RPRT TI - Dredging and contaminant exposure to tree swallows nesting on the upper Mississippi River AU - Thomas W. Custer AU - Paul M. Dummer AU - Christine M. Custer AU - David Warburton PY - 2013 DO - 10.1007/s10661-013-3234-z UR - https://pubs.usgs.gov/publication/70093224 ID - 70093224 ER -