TY  - RPRT
TI  - The northern pintail in North America: the problem and prescription for recovery
AU  - M. R. Miller
AU  - D.C. Duncan
AU  - K. Guyn
AU  - Paul L. Flint
AU  - J. E. Austin
PY  - 2003
UR  - https://pubs.usgs.gov/publication/93836
ID  - 93836
ER  -