Description
South Twin Glacier is located in Tordrillo Mts., trends SW to its terminus at head of Skwentna River, 58 mi. NW of Tyonek, Alaska Range
History
Local name reported in 1927 by S. R. Capps and R. H. Sargent (in Smith and others, 1929, pls. 1, 2), U.S. Geological Survey (USGS).