Yellowstone and Hellcat: a discussion of two Montana names

Call it 670 miles or perhaps more precisely 674 miles, but either way, the Yellowstone River remains the nation's longest undammed waterway. It's a great river that gathers some of the finest mountain and prairie topography on the planet as it passes peaks reaching 12,000 feet in elevation, the largest high-mountain lake on the continent, dense evergreen forests, buttes, colorful badlands, deep ca...