Din of hammers, oil wells signal Bakersfield boom - Article Photos 1/2

In this Dec. 18, 2012 photo, one of the region's thousands of oil pumps sits in the foreground of the new Westside Parkway under construction in Bakersfield, Calif. Much of the economic boom Bakersfield is enjoying is because high oil prices and new technology for extraction have revived the $10 billion industry that seemed dried up 25 years ago when Kern County set out to diversify its economy and expand its tax base. (AP Photo/Tracie Cone)