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#1 Federal
1931 Isle Royale Imagery
- Organization: Department of the Interior
- Dataset Last Updated: January 01, 1931 at 12:00 AM
Isle Royale National Park 1931 airphoto mosaic
- zip
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: January 07, 2026 at 11:13 AM

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