TY  - RPRT
TI  - Herons and their allies: atlas of Atlantic coast colonies, 1975 and 1976
AU  - Ronald G. Osborn
AU  - Thomas W. Custer
PY  - 1978
UR  - https://pubs.usgs.gov/publication/fwsobs77_08
ID  - fwsobs77_08
ER  -