By Sandy Hausman
Harrisonburg, VA – The nation's need for energy has fueled what some call a new gold rush, drilling for natural gas trapped in layers of shale deep underground.
The nation's largest expanse of shale is in Appalachia, stretching from Virginia to New York.
So far, only one firm has asked for a permit to drill in Virginia, but a Houston-based company has leased thousands of acres around Harrisonburg, and residents are getting nervous.