|
gptkbp:instanceOf
|
reservoir
|
|
gptkbp:access
|
Hetch_Hetchy_Road
|
|
gptkbp:annualVisitors
|
30 inches per year
|
|
gptkbp:averageTemperature
|
40-70 °F
|
|
gptkbp:climate
|
alpine
|
|
gptkbp:createdBy
|
gptkb:Hetch_Hetchy_Project
|
|
gptkbp:culturalSignificance
|
debate over conservation vs. development
symbol of water rights issues
inspiration_for_John_Muir
|
|
gptkbp:dam
|
gptkb:O'Shaughnessy_Dam
|
|
gptkbp:elevation
|
4,100 feet
|
|
gptkbp:environmentalImpact
|
flooding_of_Hetch_Hetchy_Valley
|
|
gptkbp:geologicalFeatures
|
glacial valleys
granite cliffs
mountain peaks
|
|
gptkbp:historicalEvent
|
completed in 1923
construction began in 1914
opened for public use in 1934
|
|
gptkbp:historicalSignificance
|
controversial dam construction
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Hetch Hetchy Reservoir
|
|
gptkbp:lighting
|
yes
|
|
gptkbp:locatedIn
|
gptkb:California
|
|
gptkbp:managedBy
|
gptkb:San_Francisco_Public_Utilities_Commission
|
|
gptkbp:maximumDepth
|
300 feet
|
|
gptkbp:nearestCity
|
gptkb:Yosemite_Village
Groveland
|
|
gptkbp:outflow
|
gptkb:Hetch_Hetchy_Creek
gptkb:Tuolumne_River
|
|
gptkbp:partOf
|
gptkb:Yosemite_National_Park
|
|
gptkbp:primaryMission
|
drinking water
|
|
gptkbp:recreation
|
fishing
hiking
boating
picnic areas
trails
campgrounds
|
|
gptkbp:surface
|
1,500 acres
|
|
gptkbp:surroundingArea
|
gptkb:Yosemite_Wilderness
gptkb:Sierra_Nevada
Tuolumne Meadows
|
|
gptkbp:waterManagement
|
monitored for environmental health
includes water treatment facilities
integrated with regional water system
|
|
gptkbp:waterQuality
|
gptkb:San_Francisco
high
117,000 acre-feet
|
|
gptkbp:waterSource
|
gptkb:Tuolumne_River
|
|
gptkbp:wildlife
|
gptkb:bald_eagles
black bears
mule deer
|
|
gptkbp:yearEstablished
|
1923
|