Category:Cummingsville Formation
Media in category "Cummingsville Formation"
The following 2 files are in this category, out of 2 total.
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Cummingsville Formation Decorah Iowa.jpg 3,000 × 2,000; 2.54 MB
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Decorah Formation in Decorah Iowa.jpg 3,000 × 2,000; 6.68 MB