Salt Lake Tribune: For years, industry has mined paving material from the aptly named Asphalt Ridge southeast of Vernal. Soon it could also yield the states first commercial volumes of oil from tar sands under a California companys plans to process mined ore at the site near the Colorado state line. Join the Discussion Post a Comment MCW Energy Group executives say they expect to produce 250 barrels a day at the site later this year under an agreement with Temple Mountain Energy Inc., which will supply the ore....