BISMARCK, N.D. — Three environmental groups are suing North Dakota over an air quality permit that allows construction of an $800 million oil refinery about 3 miles from Theodore Roosevelt National Park.National Parks Conservation Association, the Environmental Law and Policy Center and the Dakota Resource Council filed the lawsuit in state court on Thursday, asserting that the state erred when it concluded the proposed Davis Refinery wouldn’t be a major source of pollution and wouldn’t negatively impact …