flows W to Karluk Lake, 19 mi. SE of Karluk, Kodiak I. 2.5 miles long.
Local name reported in 1952 by U.S. Geological Survey (USGS).
Barbara Point, Bear Point, Bluff Point, Boulder Point, Carlsen Point, Grassy Point, Island Point, Long Point, Stony Point, Tent Point, Tree Point,
Dams:Larson Bay Cannery Dam, Uyak Cannery Dam,
Islands:Alf Island, Amook Island, Camp Island,
Lakes:Akalura Lake, Frazer Lake, Karluk Lake, O-Malley Lake, Thumb Lake,
Mountains: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, Eagle Creek, Falls Creek, Halfway Creek, Meadow Creek, Moraine Creek, Salmon Creek, Spring Creek,
Cities: