1. United States--east coast, Maine, approaches to Blue Hill Bay Yale Public content 1993. 2011-11-14T19:51:11Z. 2015-10-21T15:05:34Z. U.S. Coast and Geodetic Survey. The Survey ; NOAA Distribution Branch, N/CG 33, National Ocean Service. English. Public. Blue Hill Bay (Me.) and Maine, Gulf of.