DENVER
11/16/2010 10:33 am ET Updated May 25, 2011

Western Slope Oil Shale Leases Expected To Go To Exxon-Mobile, Natural Soda and AuraLite

Observers in western Colorado, including Garfield County, have been closely watching the increasing corporate and governmental activity aimed at reviving the search for ways to develop oil shale reserves in the region.

According to estimates by the U.S. Department of Energy and the energy industry, the most "economically attractive U.S. deposits -- containing an estimated 1.5 trillion barrels [capable of yielding more than 10 gallons per ton of ore]" are found in the Green River Formation in Colorado, Utah and Wyoming.

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