How a young engineer navigated permafrost to develop one of most ambitious and uncertain projects in the worldPrudhoe Bay, Alaska, United States In 1973, Elden Johnson was a young engineer working on one of the most ambitious and uncertain projects in the world — an 800-mile steel pipeline that carried warm oil over frozen ground. Decades later, Johnson looked back at what he called “the greatest story ever told of man’s interaction with permafrost.” |