Category:Negaunee Iron-Formation
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This category has the following 3 subcategories, out of 3 total.
Media in category "Negaunee Iron-Formation"
The following 19 files are in this category, out of 19 total.
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Grypania spiralis.JPG 2,592 × 1,944; 1.34 MB
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Jaspilite Michigan USA.jpg 960 × 607; 142 KB
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Specularite from Michigan USA.jpg 960 × 633; 221 KB