A sinkhole opened up in the endzone of the football stadium at Austin Peay State University in Clarksville, Tennessee. It started small, but crews dug a hole 40 feet deep and 40 feet wide to find ... more 
A sinkhole opened up in the endzone of the football stadium at Austin Peay State University in Clarksville, Tennessee. It started small, but crews dug a hole 40 feet deep and 40 feet wide to find bedrock so they could fill it in. Scott Pelley reports. less 
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Tue, May 20, 2014 7:45 PM EDT