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The Drum Gates Releasing Water into the Spillway Channel

The Drum Gates Releasing Water into the Spillway Channel

These drum gates help to regulate the water level in the Hetch Hetchy Reservoir. The gate allow excess water to flow into the spillway, which drains into the Tuolumne River.
Galleries: Dams, Yosemite National Park
Keywords: drum gates, hetch hetchy reservoir, hetch hetchy valley, o'shaughnessy dam, spillway, yosemite national park
Photo Location: Yosemite National Park, California
Photographer: Dr. Roy Winkelman
Date of Photo: 07/09/2011
Device Make: Canon
Device Model: Canon EOS 5D Mark II
Original Dimensions: 5616×3744
Picture Orientation: Landscape
GPS Coordinates: 37°46'14.15"N 119°30'38.78"W
Picture Number: 12675