TY  - RPRT
TI  - Canvasback mortality from illegal hunting on the upper Mississippi River
AU  - Carl E. Korschgen
AU  - Kevin P. Kenow
AU  - James M. Nissen
AU  - John F. Wetzel
PY  - 1996
UR  - https://pubs.usgs.gov/publication/1002903
ID  - 1002903
ER  -