heads in sargent Icefield, trends NW to its terminus, 2 mi. E of head of Kings Bay, 24 mi. S of Whittier, Chugach Mts.
Named in 1908 by U.S. Grant and D.F. Higgins, U.S. Geological Survey (USGS); "probably named for Seth Langdon of Evanston, Illinois."
Greystone Bay, Kings Bay, Shady Cove, West Finger Inlet,
Capes:Glaciers:Applegate Glacier, Chenega Glacier, Claremont Glacier, Contact Glacier, Cotterell Glacier, Falling Glacier, Glacier G211143E60281N, Kings Glacier, Langdon Glacier, Sargent Ice Field, Sargent Icefield, Taylor Glacier, Tigertail Glacier,
Mountains:Rivers: