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Lake Superior Agate, A.E. Seaman Mineral Museum
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Tilted bedding of the Copper Harbor Conglomerate, Keweenaw Co.
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Stromatolites in Copper Harbor Congomerate, Keweenaw Co.
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Very large Stromatolite in Copper Harbor Conglomerate, Keweenaw Co.
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PreCambrian ripple marks in quartzite, Baraga Co.
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Datolite, A.E. Seaman Mineral Museum
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Pillow basalt with Palagonite rim, Menominee Co.
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Pictured Rocks, Alger Co.
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Flat lying sandstone at Pictured Rocks, Alger Co.
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Flat lying Miners Castle Sandstone, which makes up most of Pictured Rocks, Alger Co.
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Pictured Rocks, Alger Co.
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Dr. Huntoon of MTU and student discussing geology at Pictured Rocks, Alger Co.
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Grand Sable Dunes, Alger Co.
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Looking down the Log Slide, Grand Sable Dunes, Alger Co.
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Grand Sable Dunes, Alger Co.
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Ghost Forest (tree trunk is around 4,000 years old), Grand Sable Dunes, Alger Co.
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