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In 1917, Utah Construction Company was awarded the seven million dollar O'Shaughnessy Dam contract, a controversial project that impounds the Tuolumne River in the Hetch Hetchy Valley of California's Sierra Nevada mountains.
The Raker Act was an act of the United States Congress that permitted building of the O'Shaughnessy Dam and flooding of Hetch Hetchy Valley in Yosemite National Park, California.
Mike Chrisman, Secretary for Resources, responded in 2006 by instructing the Department of Water Resources (DWR) and the Department of Parks and Recreation (DPR) to compile all the information gathered from surveys over the last 20 years on the potential removal of O’Shaughnessy Dam and the restoration of Hetch Hetchy Valley.
Recognizing that the citizens of San Francisco could unilaterally restore Hetch Hetchy Valley without an act of Congress to reverse the Raker Act, RHH opened an office there in 2009.
Restore Hetch Hetchy, an environmental organization focused on the Hetch Hetchy Valley in Yosemite National Park