Ohio Rocks: Geology

Ohio Rocks - Geology, Ice Age, Fossils, and Resources (Full)

The Ohio and Erie Canal

Ohio Rocks: Ice Age

Appalachian Geology: Surprising Implications

Rock and Mineral Identification

Ohio Rocks: Fossils

Ohio's Scenic Geology

Gold Mine and Cave Shelter

How To Identify Gold In Rocks

Continents Collide: The Appalachians and the Himalayas

Awesome Lake Superior Find!!

Ohio's Scenic Geology - Short Take

Kentucky's LICKING RIVER | Journey Down That "Old Salt" Past, Present & Future Presented by kNOwMORE

Ohio Rock Talks Episode 6: Rocks & Minerals in Our Lives

Rappelling 450ft Into One Of The Biggest Caves We've Explored

Rock Identification with Willsey: Carbonate Sedimentary Rocks (Limestone and Dolostone)

Karst in Ohio

Ohio's Glacial Impact

The fossil record and geological history of the Ohio Valley | Kentuckiana Curiosity

Pleistocene Fossils discovered deep in a cave