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Showing 1 to 4 of 4 for “"Hetch Hetchy"”.
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Salvaging salmon: Shasta Dam and the conservation movement
… of two major dam projects in the American West: Hetch Hetchy and Echo Park. In 1913 Congress, after much controversy, authorized the flooding of Hetch Hetchy Valley within Yosemite National Park to build a reservoir to supply water to San Francisco, but in 1956, after a hard fight with the Sierra …
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Review of Underground Tunneling Techniques at the New Irvington Tunnel in San Francisco, California and the Virginia and Truckee Railroad in Virginia City, Nevada
… California transports drinking water from Hetch Hetchy Reservoir to almost 2.5 million people. Due to seismic activity concerns and lack of renovation, portions of the tunnel are being replaced. The New Irvington Tunnel project is currently underway; tunneling mechanisms include blasting …
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Investigation Of The Use And Application Of Passive Sampling Methods For Understanding Potential Sources Of Mercury To Western United States
… Observatory, CA; Yosemite National Park, CA; Hetch Hetchy Reservior, CA; Sequoia National Park, CA; and Great Basin National Park, NV. Ancillary data (ozone, temperature, relative humidity, wind speed, wind direction, precipitation and solar radiation) was available at many locations and this …
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So Much for Beauty: Realizing Participatory Aesthetics in Environmental Protection and Restoration
… visual artifacts from three case studies, Hetch Hetchy Valley, Echo Park, and Glen Canyon, in order to contribute to scholarship devoted to environmental visual rhetoric. Through these studies, I address connections between aesthetics and environmental ethics and challenge scholarship that …