Geologists say a new survey shows an oilfield in west Texas dwarfs others found so far in the United States -- but the low price of oil means it will be a while before rigs start pumping, a television station reported.
원문출처 : http://www.cnn.com/2016/11/17/us/midland-texas-mammoth-oil-discovery/index.html
원문출처 : http://www.cnn.com/2016/11/17/us/midland-texas-mammoth-oil-discovery/index.html