TY - RPRT TI - Synthesis of tree swallow (Tachycineta bicolor) data for Beneficial Use Impairment (BUI) assessment at Wisconsin Areas of Concern AU - Christine M. Custer AU - Thomas W. Custer AU - Paul M. Dummer PY - 2018 DO - 10.3133/ofr20181032 UR - https://pubs.usgs.gov/publication/ofr20181032 ID - ofr20181032 ER -