Various shots offshore Tuktoyaktuk on "Esso" artificial island, of men at work making mud bags with help of machinery, setting bags along island's bank to stop waves of heavy seas from invading island, of waves coming over bags. Shots of men at work as seen from caterpillar tractor cabin, of waves getting bigger, of ships riding at anchor, snow falling, of men installing pipeline, of sides of island sliding down in water, of men working hard in snow storm, of water and mud flowing out of pipes, of caterpillar tractor moving in sea water, men making mud bags. (00/10/1982)