Category:Pennsylvanian geology of Iowa
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Subcategories
This category has the following 3 subcategories, out of 3 total.
Media in category "Pennsylvanian geology of Iowa"
The following 3 files are in this category, out of 3 total.
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Boneyard Hollow Sandstone Cliff 1.jpg 3,072 × 2,304; 3.49 MB
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Boneyard Hollow Sandstone Cliff 2.jpg 3,072 × 2,304; 3.19 MB
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Iowabedrock.jpg 3,260 × 2,287; 1.78 MB