1. United States, Alaska--southeast coast, Frederick Sound, Keku Strait, northern part, including Saginaw and Security bays and Port Camden Yale Public content 1997. 2011-11-21T15:06:34Z. 2015-10-21T15:06:17Z. United States Coast Survey. The Survey ; NOAA Distribution Division, N/ACC3, National Ocean Service, distributor. English. Public. Keku Strait (Alaska) and Frederick Sound (Alaska).