between Trader Island and N coast of Catherine i., off NE coast of Baranof I., Alex. Arch.
HistoryName published by U.S. Coast and Geodetic Survey (USC&GS) in the 1943 Coast Pilot (p. 379). It was probably named for Point Thatcher at the channel's mouth.
Coleman Reef, Midway Reef, Morris Reef, Plover Rock,
Bays:The Basin, Cosmos Cove, Echo Cove, Florence Bay, Hanus Bay, Kasnyku Bay, Kelp Bay, Lindenberg Harbor, Little Basket Bay, Middle Arm Kelp Bay, Sitkoh Bay, South Arm Kelp Bay,
Capes:Point Lull, Point Moses, Point Thatcher, Point Craven, Point Hanus, Point Hayes, False Lindenberg Head, Lindenberg Head, North Point, North Point, Parker Point, Peninsular Point, Portage Point, South Point,
Channels:Portage Arm, Thatcher Channel,
Cliffs:Islands:Catherine Island, Crow Island, Dead Tree Island, Fairway Island, McClellan Rock, Pond Island, Round Island, Svensen Rock, Traders Island, White Rock, Yellow Rock, Zubof Rock,
Lakes:Basket Lake, Goat Lake, Hidden Falls Lake, Sitkoh Lake,
Rivers:Streams:Basket Creek, Cutthroat Creek, Sitkoh Creek,
Routes:Lake Eva Trail, Sitkoh Lake Trail,
Cities:Waterfalls: