FILE - In this Feb. 13, 2017 file photo, a petroleum industry storage tank borders a ranch, left, near a fossil fuel extraction site, right, with the Front range of the Rocky Mountains rising up in the background, a few miles from the border of Boulder County, in Weld County, near Mead, Colorado. Colorado Attorney General Cynthia Coffman asked a state court Tuesday, Feb. 14, 2017 to overturn Boulder County's moratorium on oil and gas drilling, saying it violates state law and a state Supreme Court ruling. (AP Photo/Brennan Linsley, file)
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