Mike 2 Report post Posted May 7, 2005 Roll on Columbia - Songfacts "The Columbia River" The name Columbia in derived from the name Christopher Columbus, the length of the river is 1,214 miles. The Columbia River and its tributaries account for about 219,000 sq. miles of drainage in seven western states. Power - Up to 80% of the electricity in the Northwest is produced by hydropower. Irrigation - Six percent of the Columbia River Basin's yearly runoff is diverted to irrigate about 7.8 million acres of land. Share this post Link to post Share on other sites