extend between Cordova and Tah Bays, on SW coast of Prince of Wales I., Alex. Arch.
Named in 1923 by U.S. Coast and Geodetic Survey (USC&GS) because of the nearby triangulation station " "Rhea."
Biscuit Lagoon, Brownson Bay, Clam Cove, Cordova Bay, Dickman Bay, Frederick Cove, Hessa Inlet, Hunter Bay, Kassa Inlet, Keete Inlet, Kegan Cove, Klakas Inlet, Klinkwan Cove, Little Brownson Bay, Max Cove, Minnie Bay, Minnie Cutoff, Ruth Bay, The Saitchuck, South Arm Moira Sound, Tah Bay, West Arm Moira Sound, West Arm Moira Sound, Winter Bay,
Anchor Island, Barbara Rock, Barrier Islands, Black Rock, Center Island, Dewey Rocks, Double Island, Douglass Island, Grass Peak, Grass Rock, The Haystack, Hessa Island, Kassa Island, Klakas Island, Middle Island, Poe Island, Rhea Rocks, Round Island, Round Islands, Ruth Island, Seagull Island, Ship Island, Ship Islands, Tah Island, Turn Island, Wallace Rock, White Rocks,