Transcribed from item: Jackson Glacier, American Rocky Mountains, Glacier National Park, Montana. Charles C. Morrison, Jr. R-140. Jackson moraines in lower center left. Blackfoot moraines in upper right.
description
Transcribed from item: Jackson Glacier, American Rocky Mountains, Glacier National Park, Montana. Charles C. Morrison, Jr. R-140. Jackson moraines in lower center left. Blackfoot moraines in upper right.
Description
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