in Prince William Sound, between Seal I. and Green I., 24 mi. NE of Chenega, Chugach Mts.
Local name published on recent U.S. Geological Survey (USGS) maps. Probably named for Samuel Appelgate who explored the area in 1887.
Manning Rocks, Pennsylvania Rock,
Bays:Port Chalmers, Northwest Bay, Stockdale Harbor,
Capes:Gilmour Point, Graveyard Point, Mountain Point, Putnam Point,
Islands:Applegate Rock, Channel Island, Eleanor Island, Entrance Island, Fairs Island, Green Island, Little Green Island, Little Smith Island, Seal Island, Smith Island, Sphinx Island, Wilby Island,
Mountain Passes: