1. United States--east coast, Maine, Deer Island Thorofare and Casco Passage Yale Public content 1998. 2011-11-14T19:53:30Z. 2015-10-21T15:05:34Z. United States Coast Survey. The Service ; NOAA Distribution Division, N/ACC3, National Ocean Service, distributor. English. Public. Penobscot Bay (Me.), Maine, Gulf of, and Deer Isle (Me.).