TY  - RPRT
TI  - Seasonal predator removal relative to hatch rate of duck nests in waterfowl production areas
AU  - A.B. Sargeant
AU  - M.A. Sovada
AU  - T.L. Shaffer
PY  - 1995
UR  - https://pubs.usgs.gov/publication/1001181
ID  - 1001181
ER  -