flows NW to O'Malley River, 0.5 mi. SE of Karluk Lake, Kodiak I. 4.5 miles long.
Local name reported in 1954 by U.S. Geological Survey (USGS).
Amook Bay, Anchor Cove, Horse Marine Lagoon, Stockholm Bay,
Capes:Barbara Point, Bear Point, Bluff Point, Boulder Point, Grassy Point, Island Point, Ivor Point, Long Point, Ptarmigan Point, Splitrock Point, Stockholm Point, Stony Point, Tent Point, Tree Point,
Dams:Flats:Islands:Alf Island, Amook Island, Bear Rock, Camp Island,
Lakes:Frazer Lake, Horse Marine Lake, Karluk Lake, O-Malley Lake, Thumb Lake,
Mountains:Grayback Mountain, Mount Shuman, Mount Strickland,
Rivers:East Fork Thumb River, North Fork Thumb River, O-Malley River, Thumb River,
Streams:Alder Creek, Bear Creek, Canyon Creek, Cascade Creek, Cottonwood Creek, Dog Salmon Creek, Eagle Creek, Falls Creek, Halfway Creek, Horse Marine Stream, Meadow Creek, Moraine Creek, Salmon Creek, Spring Creek,