ST. PAUL, Minn. — The Minnesota Court of Appeals denied a request by two Indian tribes to stop construction of the controversial Line 3 oil pipeline across northern Minnesota. The Red Lake and White Earth bands argued that construction would destroy land that is theirs by treaty and would violate cultural and religious rights. The pipeline company, Edmonton-based Enbridge, said that “exhaustive and meticulous review” had cleared the project’s 330-mile Minnesota segment. The current Line 3, which links Alberta oil fields with a refinery in Superior, Wisconsin, is 50-some years old and, Enbridge said, needs to be replaced. The Minnesota Public Utilities Commission and the U.S. Army Corps of Engineers have approved the project despite tribal, but the tribes appealed in both state and federal courts for reconsideration.