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ice sheet: Media

geology

Images

Greenland
Map of Greenland highlighting the major geographic regions and the locations of human...
Encyclopædia Britannica, Inc./Refugio Mariscal
Antarctica
Map of Antarctica highlighting the major geographic regions, ice sheets, and sites...
Encyclopædia Britannica, Inc.
Wisconsin glaciation
Ice sheets during the Wisconsin glacial episode penetrated deep into North America.
Encyclopædia Britannica, Inc./Kenny Chmielewski