Southbound waters
7 Images

Lake Powell

The Colorado River runs below Glen Canyon Dam in Arizona, slicing through rock walls on its way to the Grand Canyon. (Susan Spano / LAT)
Backcountry ranger Bill Wolverton is mid-calf in quicksand, which accumulates at the mouths of creeks, including at Fiftymile Canyon. (Susan Spano / LAT)
“This place is like a big Christmas present gradually being unwrapped,” ranger Bill Wolverton says of the low water levels in Glen Canyon National Recreation Area. (Susan Spano / LAT)
Dried mud in Davis Gulch. (Susan Spano / LAT)
Willow Gulch’s colorful contours. (Bill Wolverton)
Davis Gulch, an Escalante River tributary. (Susan Spano / LAT)
Bill Wolverton has been exploring the Lower 48’s national parks for the last 17 years. (Susan Spano / LAT)