The correct citation for this report is: 



Portnoy, J.W., R.M. Erwin, and T.W. Custer. 1981. Atlas of gull and tern 

 colonies: North Carolina to Key West, Florida (including pelicans, cormorants 

 and skimmers). U.S. Fish and Wildlife Service, Office of Biological Services. 

 Washington, D.C. FWS/OBS-80/05. 121 pp. 



