Roane County Sinkhole, TN
East Tennessee’s karst landscapes pose unique challenges, like in Roane County. About 20% of the U.S. has soluble bedrock that can collapse. This area is in a high-risk zone. There are over 435 depressions in the area, formed by water dissolving limestone. A 2013 study found cavities over 10 feet deep. This shows the ground […]