Located in the Frederick Sound, 6 miles northeast of Petersburg, Alexexander Archipelago. (AK-T1)
Named in 1887 by Lieutenant Comander CM Thomas, U.S. Navy (USN), for Ensign John McDonald, U.S. Navy (USN), a member of his party. (AK-T1)
California Boulder Patch, Colorado Reef, Prolewy Rocks,
Bays:Bock Bight, Brown Cove, Dry Bay, Halfmoon Anchorage, Icy Cove, Ideal Cove, Long Pond, Scow Bay, Thomas Bay,
Capes:Point Agassiz, Point Agassiz Peninsula, Anchor Point, Bayou Point, Beacon Point, Blind Point, Blunt Point, Cosmos Point, Danger Point, False Island Point, Finger Point, Frederick Point, Green Point, Island Point, Mountain Point, Prolewy Point, Rock Point, Spruce Point, Spurt Point, Turn Point, Point Vandeput, Vexation Point, Wind Point, Wood Point,
Channels:Petersburg Bar Range, Wrangell Narrows,
Cities:Cliffs:Dams:Petersburg Dam, Petersburg Lower Reservoir Dam,
Fictional Places:Flats:Boulder Flats, North Flat, South Flat,
Islands:Big Bowlder, Blind Island, Bush Top Island, Coney Island, Green Rocks, McDonald Islands, Prolewy Rocks, Ruth Island, Sasby Island, Sukoi Islets, Woody Island,
Lakes:Brown Cove Lake, Colp Lake, Ess Lake, Falls Lake, Green Rocks Lake, Petersburg Reservoir, Ruth Lake, Swan Lake,
Mountains:Cosmos Peak, Del Monte Peak, Fighting John Peak, Foote Peak, Horn Mountain, Jenkins Peak, Narrows Peak, Petersburg Mountain, Pirate Peak, Porter Peak, Scott Peak, Sheridan Peak, Survey Mountains, Thunder Mountain, Waterfall Peak,
Mountain Ranges:Ridges:Rivers:Streams:Bear Creek, Cascade Creek, Clear Creek, Coho Creek, Colorado Creek, Crystal Creek, Delta Creek, Falls Creek, Fivemile Creek, Japanese Creek, Moonshine Creek, Petersburg Creek, Taain Creek, Twin Creek,
Cities:Routes:Colp Lake Trail, Ideal Cove Trail, Petersburg Lake Trail, Raven Trail, Ruth Lake Trail, Spurt Point Lake Trail, Swan Lake Trail,
Valleys:Cities: