flows W to head of Duncan Canal, on Lindenberg Peninsula, Kupreanof I., Alex. Arch.
Local name published by F. E. Wright and C. W. Wright (1908, fig. 11), U.S. Geological Survey (USGS).
Bains Cove, Dry Cove, Goose Cove, Little Duncan Bay, McDonald Arm, North Arm Duncan Canal, Portage Bay, Towers Arm,
Capes:Flat Point, Goose Point, Hook Point, Indian Point,
Islands:Big Castle Island, Cloverleaf Island, Emily Island, High Castle Island, Kupreanof Island, Rookery Island, Stop Island,
Lakes:Irish Lakes, Petersburg Lake, Salt Chuck, Towers Lake,
Mountains:Ambler Peak, Chipp Peak, De Long Peak, Duncan Peaks, Hall Peak, Hunt Peak, Kane Peak, Kupreanof Mountain, Lockwood Peak, Portage Mountain, Putnam Peak,
Mountain Passes:Mitchell Slough, Ohmer Slough,
Mountain Ranges:Bohemian Range, Missionary Range,
Rivers:Streams:Duncan Creek, Middle Creek, Taylor Creek,
Routes: