PBS6 年
Water from the Wilderness: Hetch Hetchy to San Francisco Bay
The compelling story of how San Francisco secured its fabled water supply, the Hetch Hetchy reservoir in Yosemite National Park. Water from the Wilderness: Hetch Hetchy to San Francisco Bay is ...
The Union Democrat4 年
Hetch Hetchy Water & Power plans five-year $140M Mountain Tunnel project
Guy McCarthy Feb 5, 2021 Feb 5, 2021 Updated Feb 8, 2021 The City and County of San Francisco and the San Francisco Public Utilities Commission are planning a five-year $140 million project ...