The story

Efforts to reach six men trapped in a collapsed coal mine in Utah were "wiped out" Tuesday by what the mine operator's CEO called continuing "seismic and tectonic activity."

"There is absolutely no way that through our underground rescue effort we can reach the vicinity of the trapped miners for at least one week," said Robert Murray, CEO of Murray Energy, the parent company of the mine's operator.

"We are back to square one," he said. Read full article »

Copyright 2007 CNN. All rights reserved.This material may not be published, broadcast, rewritten, or redistributed. Associated Press contributed to this report.

All About U.S. Geological Survey • Mine Safety and Health Administration