The Kern River cascades from the Sierra Nevada in a steep-sided canyon, coursing through granite boulders, and flows to the northeast side of Bakersfield. There, beside cottonwoods and willows, the last of the river collects in a pool where dragonflies hover and reeds sway in the breeze.

Then the river dies, disappearing into the sand.

Decades ago, the Kern flowed all the way through Bakersfield. But so much water has been appropriated and diverted in canals to farmland that the river has vanished in the city, leaving miles of dry riverbed.

Now, a group of residents is campaigning to bring back a flowing river in Bakersfield.