heads in Kenai Mts. and trends to its terminus at an unnamed stream 18 mi. SE of Homer, Chugach Mts.
Named by Dall (1880, p. 339), U.S. Coast and Geodetic Survey (USC&GS), for I. G. Wosnesenski, Russian Academy of Sciences, who made collections and observations in this region about 1840.
Aurora Lagoon, Berger Bay, Mallard Bay, Mikes Bay, Sunday Harbor, Taylor Bay, Tonsina Bay, Westdahl Cove,
Capes:Cape Horn, Front Point, Nuka Point, Petrof Point,
Channels:Glaciers:Dixon Glacier, Doroshin Glacier, Grewingk Glacier, Nuka Glacier, Petrof Glacier, Portlock Glacier, Southern Glacier, Wosnesenski Glacier, Yalik Glacier,
Islands:Berger Island, Long Island, Nuka Rock,
Mountains:Brown Mountain, Iceworm Peak, Needle Peak,
Streams:Routes:Emerald Lake Camp Trail, Emerald Lake Spur Trail, Emerald Lake Trail, Humpy Creek Trail, Mallard Bay Trail,