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Return to:   The Trans-Alaska Pipeline - The discovery of the single largest oil field ever found in North America set into motion the construction of the Trans-Alaska Pipeline.
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Studying the first "pigs"

Engineers and supervisor study the first "pigs." The devices will be inserted into the pipeline and used to clean or dewater the line and gather information about its condition. Steve McCutcheon photo. Anchorage Museum at Rasmuson Center.

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