Record-low snowpack in Colorado could spell trouble for millions in the US West

Hydrologists working high in the Rocky Mountains have measured what they say was Colorado’s worst snowpack on record—an alarming fact for a state that supplies drinking water to millions across the drought-stricken American West. High country ranchers say they're already having to think about how to get water and feed for their cattle in the months ahead, and cities are already implementing water use restrictions.