Landlines: San Luis Valley: Journey into the American West

As the largest alpine valley in the world, Colorado’s San Luis Valley is a land of sand dunes, wetlands and farmland—nearly all of it above 8,000 feet in elevation and all within a footprint of roughly 150 by 75 miles. Only sparsely covered by historians and geoscientists, the San Luis Valley has been home to mixed Hispanic ancestral villages...