Category:Geology of the Upper Peninsula
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This category has the following 10 subcategories, out of 10 total.
Media in category "Geology of the Upper Peninsula"
The following 3 files are in this category, out of 3 total.
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Cuprite-coated native copper.jpg 1,014 × 931; 1.71 MB
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Vug with quartz crystals (Lake Superior shoreline, Upper Peninsula of Michigan, USA).jpg 1,625 × 2,135; 2.32 MB