This map from a 2008 University of Utah study shows the original estimate of how much of the Crandall Canyon coal mine originally was thought to have collapsed on Aug. 76, 2007 (solid red ...

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(CNN)-- The Crandall Canyon mine collapse that killed six miners in Utah last summer lasted only seconds and was not caused by an earthquake, a new study says. The University of Utah study ...

(CNN)-- Court proceedings of the investigation into the collapse of Utah's Crandall Canyon mine should not be made public, argue attorneys for the Mine Safety and Health Administration. The ...