alpine
america
ca
california
concrete
construction
dam
drinking
energy
engineering
floodgate
flow
flowing
hetch hetchy reservoir
hydro
hydroelectric
industry
lake
landmark
landscape
large
mountains
nature
oshaughnessy dam
outdoors
overflow
park
popular
power
reservoir
river
runoff
rushing
scenery
scenic
sierra
snowmelt
structure
supply
technology
tuolumne river
united states
usa
valley
view
wall
water
water system
yosemite
yosemite national park
定額
Water release at O'Shaughnessy Dam due to high levels of snow melt at Hetch Hetchy Reservoir in Yosemite National Park; One of the main sources of drinking water for San Francisco Bay, Californiaの素材 [FY310127751607]
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