 On the eastern edge of the Blue Ridge Mountains is a small waterway called the Roaring River. It's actually pretty calm. Andrea Leslie is looking across its surface. There are a whole mess of fishes and salamanders and turtles who live under there. Leslie is an aquatic biologist for the North Carolina Wildlife Resources Commission. She wants people to strap on the snorkel gear and look under the surface to see... Little minnows, shiners...