Trans Alaska oil pipeline is buried whenever possible, but permafrost soil conditions require the pipeline to be above ground. Metal fins help dissipate heat and cold.
Photo ID#: 17-33928

Alaska Pipeline

Trans Alaska oil pipeline is buried whenever possible, but permafrost soil conditions require the pipeline to be above ground. Metal fins help dissipate heat and cold.
Model Release: No
Restrictions: None

© Patrick J Endres / www.AlaskaPhotoGraphics.com