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Glacial Erratics

Tim Trombley

Glacial Erratics

$45.00

The geology of Pictured Rocks Nat'l Lakeshore is mostly sedimentary sandstone. These granite boulders were washed in by glaciers eons ago. Thus the name Glacial Erratics given by geologists.

14" x 11", or  20" x 16"


Artist: Tim Trombley


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