CNNMoney | Massive oil discovery in Alaska is biggest onshore find in 30 years CNNMoney Some 1.2 billion barrels of oil have been discovered in Alaska, marking the biggest onshore discovery in the U.S. in three decades. The massive find of conventional oil on state land could bring relief to budget pains in Alaska brought on by slumping ... Companies claim largest US onshore oil discovery in 30 years Spanish Oil Repsol Company Makes Biggest US Onshore Find in 30 Years Repsol Discovers Major Oil Field in Alaska's North Slope |