“Dam Hetch Hetchy!”: John Muir Contests the Hetch-Hetchy Dam"The Progressive Era’s most controversial environmental issue was the 1908–1913 struggle over federal government approval for building the Hetch Hetchy dam in a remote corner of federally-owned land in California’s Yosemite National Park. The city of San Francisco, rebuilding after the devastating 1906 earthquake, believed the dam was necessary to meet its burgeoning needs for reliable supplies of water and electricity. At Congressional hearings on Hetch Hetchy held in 1913, supporters of the plan like Gifford Pinchot, the first Chief Forester of the United States and a noted environmentalist, argued that conservation of natural resources was best achieved through management of the wilderness. Preservationist and Sierra Club founder John Muir did not testify before Congress, but he argued against the Hetch Hetchy plan in this excerpt from his 1912 book, The Yosemite. In the end Congress chose management over aesthetics, voting 43–25 (with 29 abstentions) to allow the Hetch Hetchy dam on federal land."