Texas has seen incredible changes in oil production because of advancements in shale technology. From one 200-mile view at night, you can easily spot the urban areas of Dallas, Houston, San Antonio and Austin, but the strip just south of the Alamo City and U.S. Global Investors’ headquarters illuminates something else entirely: the bright lights of big oil generated by the Eagle Ford shale formation.

Read more: http://tinyurl.com/d5sovfr