extends SE to Sumner Strait, on Kupreanof I., Alex. Arch. 22 miles long.
Castle Islands, Level Islands,
Bars:Burnt Island Reef, California Boulder Patch, Colorado Reef, Coply Reef, Midway Rock, North Ledge, Prolewy Rocks, South Ledge, Spike Rock,
Bays:Bains Cove, Douglas Bay, Halfmoon Anchorage, Hoagies Hole, Kah Sheets Bay, Krauses Hole, Little Duncan Bay, Long Pond, McDonald Arm, North Arm Duncan Canal, Saint John Harbor, Scow Bay,
Capes:Point Saint John, Point Alexander, Point Humbug, Point Lockwood, Anchor Point, Bayou Point, Blind Point, Blunt Point, Boulder Point, Danger Point, December Point, Deception Point, False Island Point, Finger Point, Goose Point, Green Point, Hicks Point, Hood Point, Indian Point, Inlet Point, Island Point, Lindenberg Peninsula, Low Point, Mitchell Point, Mountain Point, No Thorofare Point, North Point, Prolewy Point, Rock Point, Spruce Point, Turn Point, Vexation Point,
Channels:Beecher Pass, Duncan Canal, Keene Channel, Petersburg Bar Range, Whiskey Pass, Wrangell Narrows,
Cities:Dams:Petersburg Dam, Petersburg Lower Reservoir Dam,
Fictional Places:Flats:Boulder Flats, North Flat, South Flat,
Islands:Battery Islets, Big Bowlder, Big Castle Island, Big Level Island, Big Saltery Island, Blind Island, Blowdown Island, Burnt Island, Bush Top Island, Butterworth Island, Christmas Island, Cloverleaf Island, Emily Island, Fair Island, Foremost Rock, Green Rocks, Grief Island, High Castle Island, Jewell Island, Kah Sheets Island, Keene Island, Little Level Island, Little Saltery Island, Lung Island, Moss Island, Northerly Island, Pearl Island, Point Lockwood Rock, Rookery Island, Sasby Island, Southerly Island, Vichnefski Rock, White Rock, Woewodski Island, Woody Island,
Lakes:Green Rocks Lake, Harrys Lake, Harvey Lake, Kah Sheets Lake, Petersburg Reservoir,
Mountains:Duncan Peaks, Narrows Peak, Petersburg Mountain, Survey Mountains,
Parks:Beecher Pass State Marine Park,
Mountain Passes:Mitchell Slough, Ohmer Slough,
Rivers:Streams:Coho Creek, Colorado Creek, Duncan Creek, Falls Creek, Kah Sheets Creek, Middle Creek, Petersburg Creek, Spirit Creek, Taain Creek, Twin Creek,
Cities:Routes:Duncan Canal Portage, Harvey Lake Trail, Kah Sheets Trail, Petersburg Lake Trail, Petersburg Trail, Raven Trail,
Cities: