Dave Haugen. Northern Gas Pipelines file photo by Dave Harbour The beginning of Prudhoe bay development By Lori Townsend, Alaska Public Media Conventional oil is what’s traditionally flowed through the Trans-Alaska Pipeline.  40 years ago, the first barrel of oil started flowing down the trans-Alaska pipeline. Completing the pipeline was an epic, three-year saga that required tens of thousands of workers, great feats of engineering and perilous work on mountain passes. On the next Talk of Alaska, TODAY, we’ll explore that pipeline history as part of the [...]