10 mi. S of Chichagof, on W coast of Chichagof I., Alex. Arch.
Named in 1908 by U.S. Coast and Geodetic Survey (USC&GS) and published in the 1908 Coast Pilot (p. 167). Named presumably because the rocks are halfway between the reefs off the west coast of Khaz Peninsula and the Khaz Breakers.
Black Rock, Fortuna Reefs, Frog Rock, Guide Rock, Ittar Rock, Khaz Breakers, Middle Breaker, Minnie Reef, Morskoi Rock, Ninefoot Shoal, Olga Rock, Outer Rocks, Sea Rock, Snipe ock, Vincent Reef,
Bays:Black Bay, Double Cove, Elf Cove, Elkugu Bay, Falcon Arm, Ford Arm, Island Cove, Khaz Bay, Kimshan Cove, Klag Bay, Kukkan Bay, Portlock Harbor, Rocky Bay, Slocum Arm, Waterfall Cove,
Capes:Point Lydonia, Point Hope, Cape Edward, Clearing Point, Copper Point, Division Point, Drip Point, Fortuna Point, Fox Point, Hogan Point, Khaz Head, Khaz Peninsula, Khaz Point, Klokachef Point, Maud Point, Pole Point, Quit Point, Rose Point, Round Point, Point Slocum, Slope Point, Takeena Peninsula, Trap Point, Vein Point, Point Vincent,
Channels:Elbow Passage, Fortuna Strait, The Gate, Gig Pass, Imperial Passage, Kukkan Passage, Ogden Passage, Piehle Passage, Rough Channel, Smooth Channel, South Passage, Surveyor Passage, Tawak Passage,
Islands:Baird Island, Black Island, Breaker Number Two, Brown Rock, Channel Island, Deuce Island, Dippy Island, Duck Island, Eagle Rock, Edward Islands, Elkugu Island, Fitz Island, Granite Islands, Gray Rock, Herbert Graves Island, Hogan Island, Klag Island, Klokachef Island, Leo Island, Lock Island, Lydonia Island, Myriad Islands, Oval Rock, Paulina Island, Peer Island, Port Island, Ramp Island, Rowe Island, Shale Island, Sholin Island, Snipe Island, Snipe Rock, Steep Island, Three Tree Island, Triplet Islands, Twin Island, Vorota Island, White Sisters,
Lakes:Lake Anna, Black Lake, Rust Lake, Sister Lake, Waterfall Lake,
Mine:Hirst-Chichagof Mine (historical),
Mountains:Doolth Mountain, Flat Top Mountain, Freeburn Mountain, Hirst Mountain, Khaz Peak, Mount Lydonia, Pinnacle Peak, Rust Mountain, Whitestripe Mountain, Williams Hill,
Rivers:Streams: