||Herons and their allies : atlas of Atlantic coast colonies, 1975 and 1976
Osborn, Ronald G ;
Custer, Thomas W.
||United States. Fish and Wildlife Service. Office of Biological Services.
||Biological Services Program, Fish and Wildlife Service, U. S. Dept. of the Interior,
Birds--Atlantic coast (United States)--Maps
||Region 3 Library/Philadelphia, PA
"FWS/OBS-77/08." A contribution of the Research Division, Patuxent Wildlife Research Center and the Office of Biological Services, National Coastal Ecosystems Team Cooperating. Performed for Coastal Ecosystems Project, Office of Biological Services, Fish and Wildlife Service, U. S. Dept. of the Interior. Includes bibliography and index. Includes bibliography and index.