Category:Trinidad Sandstone (U.S. geology)
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This category has only the following subcategory.
Media in category "Trinidad Sandstone (U.S. geology)"
The following 2 files are in this category, out of 2 total.
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Beehive coke ovens in Hastings, Colorado.JPG 5,788 × 3,623; 14.87 MB
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Trinidad Sandstone.jpg 2,816 × 2,112; 1.69 MB