TY  - RPRT
TI  - First nests of Heermann's Gull in the United States
AU  - J. A. Howell
AU  - D. Laclerque
AU  - S. Paris
AU  - W. Boarman
AU  - A. DeGange
AU  - L. Binford
PY  - 1983
UR  - https://pubs.usgs.gov/publication/1007643
ID  - 1007643
ER  -