Bounded on the S by Jefferies Glacier, on the E by an unnamed valley glacier flowing N fom Jeffries Glacier into Granite Creek Valley, on the N by Granite Creek, and on the W and SW by Tana Glacier, 8 mi. S of Granite Range and 43 mi. N of Cape Yakataga, Chugach Mts.
Named in 1960 by U.S. Geological Survey (USGS) for J.B.Thompson, a prospector who, with J. B. Miller, hiked from Cape Yakataga across the glaciers to Granite Creek and returned the same way in 1906 or 1907.
Kruosclastic Flow Glacier, Sarokin Glacier,
Islands:Lakes:Ross Green Lake, Slender Lake,
Mountains:Mountain Ranges:Ridges:Streams: