Browse a photo gallery of the men who fought the Big Burn in 1910 and helped make the U.S. Forest Service what it is today.
It would be the "Biggest Thing on Earth," the salvation of the common man, a dam and irrigation project that would provide a source of cheap power—boosting an entire region of the country.
Watch the opening scene of Grand Coulee Dam.
For the making of the film Grand Coulee Dam, dam operators agreed to open the spillway. Associate Producer Lauren DeFilippo tells the story.
On April 22, 1970, more than 20 million Americans gathered on college campuses and in city squares to celebrate the first Earth Day.