1. United States--east coast, Maryland, Chesapeake Bay, Choptank River and Herring Bay Yale Public content 1991. 2011-11-10T17:16:44Z. 2015-10-21T15:05:25Z. United States. National Ocean Service. The Service. English. Public. Choptank River (Del. and Md.) and Chesapeake Bay (Md. and Va.).