GLACIER TYPES retreating glaciers piedmont glaciers icefields hanging glaciers tidewater glaciers surging glaciers rock glaciers mountain glaciers ice caps
GLACIER FEATURES glacier terminus ice caves icefall crevasses ogives
GLACIAL LANDFORMS glacial grooves and striations chatter marks glacial trough glacial erratic moraines aretes, horns, and cirques drumlins
Tunnel in Angel Glacier, Canada. This tunnel extends at least 100 meters into Angel Glacier.
(Source: Tom Lowell's Glacier Image Database, University of Cincinnati. Photograph by Doug McVey.)
