By Michael Lanza
Our flotilla of five rafts and two kayaks drifted lazily toward what looked like a geological impossibility: a gigantic cleft a thousand feet deep where the river appeared to have chopped a path right through the Uinta Mountains of northeastern Utah. Cracked cliffs of burgundy-brown rock framed the gap. Called the Gates of Lodore, its’ a canyon as famous today for its scenery and whitewater as it was once infamous for the crises that befell its first party of explorers, led by a one-armed Civil War veteran, who set out in wooden boats a century and a half ago to map the West’s greatest river system.