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renewable
beautiful
california
concrete
dam
destination
energy
engineering
environment
flowing
forest
green
hetch
hetchy
high
hydroelectric
landscape
mountain
national
nature
outdoors
panning
park
power
rainbow
reservoir
river
rock
scenery
scenic
snowmelt
spillway
spring
structure
supply
sustainable
tourism
tourist
travel
tuolumne
usa
vacation
valley
view
water
waterfall
yosemite