Indenting the E shore of Duncan Canal on Kupreanof Island, 0.5 mi S of the mouth of Duncan Creek, on W coast of Lindenberg Peninsula, Alex. Arch.
HistoryLocal name reported in 1933 by R. H. Sargent, U.S. Geological Survey (USGS), who misapplied it to Mitchell Slough 4 miles to the southeast. The name is said to have been given for Earl Ohmer, a former resident of Petersburg who died about 1952.
Bains Cove, Goose Cove, Hoagies Hole, Little Duncan Bay, McDonald Arm, North Arm Duncan Canal, Portage Bay, Towers Arm,
Capes:Goose Point, Hood Point, Hook Point, Indian Point, Lindenberg Peninsula,
Channels:Islands:Big Castle Island, Big Saltery Island, Blowdown Island, Christmas Island, Cloverleaf Island, Emily Island, Fair Island, Grief Island, High Castle Island, Jewell Island, Little Saltery Island, Pearl Island, Rookery Island, Stop Island, Woewodski Island,
Lakes:Colp Lake, Harvey Lake, Kah Sheets Lake, Petersburg Lake, Salt Chuck,
Mountains:Ambler Peak, De Long Peak, Del Monte Peak, Duncan Peaks, Hall Peak, Hunt Peak, Kane Peak, Kupreanof Mountain, Lockwood Peak, Portage Mountain, Putnam Peak, Scott Peak, Sheridan Peak, Sherman Peak,
Parks:Beecher Pass State Marine Park,
Mountain Passes:Mitchell Slough, Ohmer Slough,
Mountain Ranges:Rivers:Streams:Coho Creek, Duncan Creek, Middle Creek, Taylor Creek, Twelvemile Creek,
Routes:Duncan Canal Portage, Harvey Lake Trail, Petersburg Trail, Portage Mountain Loop Trail,