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Engineers designed the trans-Alaska pipeline to zig zag so it can move sideways when the pipe expands or contracts due to temperature changes. Where the pipeline crosses the Denali Fault, it is designed to slide up to 20 feet horizontally and 5 feet vertically. Mile 243.5 Richardson Highway, Alaska. ~July 19, 2006

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IMG_2062_AK_RichardsonHwy_Pipeline.jpg - Engineers designed the trans-Alaska pipeline to zig zag so it can move sideways when the pipe expands or contracts due to temperature changes.  Where the pipeline crosses the Denali Fault, it is designed to slide up to 20 feet horizontally and 5 feet vertically.  Mile 243.5 Richardson Highway, Alaska.  ~July 19, 2006

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Camera: Canon EOS DIGITAL REBEL XT | Date: 7/19/06 10:53 AM | ISO: 100 | Exp. Mode: Manual control | Exp. Time: 1/125s | Aperture: 11.0 | Focal Length: 35.0mm
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All photos Copyright © PJ Hormell