BIG sinkhole caused by abandoned railroad tunnel in Colorado

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Photographer: Getty Images
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Posted: 07/12/2012

A giant sinkhole that forced the closure of part of a Colorado highway was caused by an old, abandoned railroad tunnel, according to a Thursday report.

An article on Yahoo.com said the 20-foot-wide, 100-foot-deep sinkhole was caused by thawing soil in the century-old tunnel that collapsed decades ago.

Part of the U.S. 24 between Leadville and Red Cliff was reportedly closed this week as a result.  Read more.

Copyright 2012 Scripps Media, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.

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