TY  - RPRT
TI  - Water level management and contaminant exposure in tree swallows nesting on the upper Mississippi River
AU  - Thomas Custer
AU  - Christine Custer
PY  - 2005
DO  - 10.3133/ofr20051281
UR  - https://pubs.usgs.gov/publication/ofr20051281
ID  - ofr20051281
ER  -