Yosemite's lost valley will be subject of vote

This fall San Franciscans will vote on a local measure with national implications: It could return to the American people a flooded gorge described as the twin of breathtaking Yosemite Valley. Voters will decide whether they want a plan for draining the 117-billion-gallon Hetch Hetchy reservoir in Yosemite National Park, exposing for the first time in 80 years a glacially carved, granite-ringed valley of towering waterfalls 17 miles north of its more famous geologic sibling. The November ballot measure asks: Should city officials devise a modern water plan that incorporates recycling and study expansion of other storage reservoirs to make up the loss? The measure could eventually undo a controversial century-old decision by Congress that created the only reservoir in a national park and slaked the thirst of a city 190 miles away...more