Dry Dredgers is a geology society in Cincinnati, Ohio that was formed in 1942. They have a really nice website packed with images and fossi...

This rock fragment has been sitting out on the wash screen for a while. The spring rains have cleaned it off to reveal a number of corals....

This is a series of photo of a possible Favosites colonial coral from the Devonian Period. I find it interesting in that has a lot of brow...