A geologist who estimated the Bakken formation in western North Dakota has far more oil than the Arctic National Wildlife Refuge died before other scientists could authenticate his study. Leigh Price, a scientist with the U.S. Geological Survey, published a study in 1999 that estimates the Bakken shales formation, which underlies much of several western and northwestern counties, may hold up to 400 billion barrels of oil. By comparison, the Arctic refuge oil reserve is estimated at 16 billion barrels. Now, Sen. Byron Dorgan, D-N.D., is pushing the federal agency to complete scientific work on Price’s paper as part of...