<http://schema.org/mainEntityOfPage>
<http://www.upi.com/Business_News/Energy-Industry/2012/08/27/Minnesota-expected-oil-pipeline-boom/62051346067471/>
<http://www.upi.com/Business_News/Energy-Industry/2012/08/27/Minnesota-expected-oil-pipeline-boom/UPI-62051346067471/>