Stereogram No. 150 - Ratchet

• Main Author: USGS (SEA-130-012,013,014)
• Format: Still Image
• Language: unknown
• Published: 1948
• Subjects: Modern glaciers; glaciers; Alaska
• Online Access: https://digital.library.illinois.edu/items/ec279f40-8a10-0137-6d99-02d0d7bfd6e4-a

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