The Trans Alaska Oil Pipeline running on refridgerated support to stop oil heat melting the permafrost,Mount Hayes (4116m) and the Alaska Range in the background, Alaska, USA

Trans Alaska oil pipeline across taiga through Alaskan Range carried on insulated ground piles, Alaska, USA

The Trans Alaska Oil Pipeline running on refrigerated support to stop oil heat melting the permafrost, Alaska, United States of America, North America

Trans-Alaska Pipeline System, Fairbanks, Alaska, United States of America, North America

Trans-Alaska Pipeline System, Fairbanks, Alaska, United States of America, North America

The Trans-Alaskan oil pipeline near Fairbanks, Alaska, United States of America, North America

The Trans-Alaskan oil pipeline near Fairbanks, Alaska, United States of America, North America

Trans Alaska Pipeline near Fairbanks, Alaska, USA

Alaska Pipeline, Dalton Highway, Alaska, USA, North America

Three caribou (Rangifer tarandus) walk by oil storage tanks near Prudhoe Bay and the Point Lonely Short Range Radar Site, where the Central Arctic herd migrates north each summer, Alaska, United States of America

Trans-Alaska Pipeline Through Brooks Range Out To The Noatak River, Arctic Alaska In Summertime, Alaska, United States Of America

Trans-Alaska Pipeline, Interior Alaska in summertime; Fairbanks, Alaska, United States of America

Trans-Alaska Pipeline, Interior Alaska in summertime; Fairbanks, Alaska, United States of America

Trans-Alaska Pipeline, Interior Alaska in summertime; Fairbanks, Alaska, United States of America

The Trans-Alaska Pipeline Appears Through Fog Where It Crosses The Tanana River On A Subzero Morning, Alaska, United States Of America

The Trans-Alaska Pipeline crosses over tundra beneath the mountains of the Brooks Range along the Dalton Highway; Alaska, United States of America