Transcribed from item: Front: 9-1-50 GP 13-94. Back: Blackfoot Glacier, Glacier National Park. Piegan Glacier. Contained in folder: USGS; St. Mary River; Glacier Park; Piegan, Sexton, "Gunsight," Little Chief Mountain, Logan, Red Eagle, Split Mountain, Blackfoot, Jackson. Logan Pass Quadrangle.
description
Transcribed from item: Front: 9-1-50 GP 13-94. Back: Blackfoot Glacier, Glacier National Park. Piegan Glacier. Contained in folder: USGS; St. Mary River; Glacier Park; Piegan, Sexton, "Gunsight," Little Chief Mountain, Logan, Red Eagle, Split Mountain, Blackfoot, Jackson. Logan Pass Quadrangle.
Description
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