TY  - RPRT
TI  - Interpreting evidence of depredation of duck nests in the prairie pothole region
AU  - A.B. Sargeant
AU  - M.A. Sovada
AU  - R. J. Greenwood
PY  - 1998
UR  - https://pubs.usgs.gov/publication/93782
ID  - 93782
ER  -