North Slope Oil Facility

This large gravel pad is designed to insulate underlying permafrost, hopefully preventing melting that destroyed many early roads and pads.
— This large gravel pad is designed to insulate underlying permafrost, hopefully preventing melting that destroyed many early roads and pads.

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File Size: 14.5 KB 48.3 KB 72.2 KB 271.2 KB 8.6 MB
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Attribution and Copyright info

By Bretwood Higman

Content on this page is available under a Public Domain license.

Public Domain