Transcribed from item: Sperry Glacier, Glacier National Park, American Rockies. Matthes Collection, See letter dated March 22, '47. Front of Sperry Glacier (lower right) and modern moraine.
description
Transcribed from item: Sperry Glacier, Glacier National Park, American Rockies. Matthes Collection, See letter dated March 22, '47. Front of Sperry Glacier (lower right) and modern moraine.
Description
false