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Tulane University: Physical Geology: Glaciers and Glaciation
Lots of information here about glaciation, types of glaciers, the formation of glacial ice, changes in glacier size, how glaciers move, glacial erosion, landforms produced by glaciers, glacial deposition and drift, effects of glaciation...
National Snow and Ice Data Center
National Snow and Ice Data Center: All About Glaciers: Types of Glaciers
Provides short descriptions of thirteen types of glaciers.
CK-12 Foundation
Ck 12: Fourth Grade Science: Earth Science: Erosion and Deposition by Glaciers
[Free Registration/Login may be required to access all resource tools.] Describes how continental and valley glaciers form, explains how glaciers cause erosion, and identifies landforms that are deposited by glaciers.