Dinali National Park
Fairbanks
Midnight Sun Express
Anchorage
Flora & Fauna
by Daphne Gonzalvez
A glacier's visible edge can present a cliff of ice, 200 to 300 feet in height.
Some of it may be pure blue ice, and other parts muddy. The muddy sections contain rock flour - a fine powder to which rocks have been ground by the mighty power of moving ice.
