Season 2 Episode 2 | 28m 53s | Video has closed captioning.
Dig down deep enough in Indiana and you'll find the elements that make our world rock-solid, from simple gypsum to the sedimentary rocks that makes the Hoosier state famous around the world. Where does it all come from, what is the force behind it all, and just as importantly, where does it all go?
Problems Playing Video? | Closed Captioning