Category:Ohio Shale
Subcategories
This category has the following 11 subcategories, out of 11 total.
Media in category "Ohio Shale"
The following 10 files are in this category, out of 10 total.
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Black shale (Ohio Shale, Upper Devonian; Lazarus Run, Delaware County, Ohio, USA) 1.jpg 2,301 × 1,518; 2.08 MB
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Dolomitic concretion (Ohio Shale, Upper Devonian; Groveport, Ohio, USA).jpg 2,317 × 2,323; 3.96 MB