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View across Hetch Hetchy Valley, early 1900s, prior to damming. Photo by Isaiah West Taber - Sierra Club Bulletin, Vol. VI. No. 4, January, 1908.

John Muir in Yosemite Valley Hand-colored by Bennett Hall, California Some say the damming of Hetch Hetchy killed Muir, who died in 1914, the year construction on the Dam began. Others say the Dam rescued the Valley from an even worse menace of progress: the automobile. “Dam Hetch Hetchy! As well dam for water tanks the people’s cathedrals and churches, for no holier temple has ever been consecrated by the heart of man!” —John Muir