1. Shelagh Hansom

2. The Trans-Alaskan Oil Pipeline
Developing the Tundra

3. The Route of the Trans Alaskan Pipeline
1300 km

4. Route of pipeline under construction
Gravel bed being laid

5. Pipeline construction

6. Pipeline is buried on a layer of well drained sandy gravel,covered with gravel padding & filled with soil

7. Aerial view of the pipeline
Highway

8. Zig zag pattern to allow for expansion & contraction
Gravel beds to prevent subsidence during summer thawing of thin top layer
underpass

9. GATE VALVE – 86 remote & 9 manual

12. Change from pipeline on stilts to being buried underground

13. The pipeline in winter

14. The Dalton Highway
Rocky Mountains
pipeline

15. Pipeline bridges – 600 streams & rivers to cross!!

16. Yukon River bridge
Pipeline & vehicles

17. DENALI FAULT CROSSING

19. VALDEZ – rebuilt on solid rock for earthquake protection

20. Oil tanker leaving Valdez in Southern Alaska
Ice free all year

21. Escort ship
Tanker