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・ Gratis, Ohio
・ Gratitud
・ Gratitude
・ Grassy Hill Light
・ Grassy Hill Natural Area Preserve
・ Grassy Island
・ Grassy Island Creek
・ Grassy Island Light
・ Grassy Island Range Lights
・ Grassy Key
・ Grassy Knob Wilderness
・ Grassy Knoll (album)
・ Grassy Knoll (disambiguation)
・ Grassy Lake
・ Grassy Lake (Florida)
Grassy Lake Dam
・ Grassy Lake Preserve
・ Grassy Lake, Alberta
・ Grassy Lick Run
・ Grassy Meadows, West Virginia
・ Grassy Mountain
・ Grassy Park
・ Grassy Point, New York
・ Grassy Precinct, Williamson County, Illinois
・ Grassy Range
・ Grassy Ridge
・ Grassy Ridge Bald
・ Grassy Sprain Reservoir
・ Grassy, Lauderdale County, Alabama
・ Grassy, Marshall County, Alabama


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Grassy Lake Dam : ウィキペディア英語版
Grassy Lake Dam

Grassy Lake Dam is a small dam operated by the U.S. Bureau of Reclamation in Teton County, Wyoming, immediately to the south of Yellowstone National Park. The dam lies in a corridor of Bridger-Teton National Forest that runs between Yellowstone and Grand Teton National Parks. The dam structure and outlets are within a few hundred feet of the south boundary of Yellowstone. The zoned earthfill dam was built between 1937 and 1939 as part of the Minidoka Project, which provides water to irrigate farmland in Idaho's Snake River Plain.〔(【引用サイトリンク】url=http://www.usbr.gov/projects/Facility.jsp?fac_Name=Grassy+Lake+Dam&groupName=Overview )
The dam provides only water storage, impounding . Given the small catchment area of Grassy Creek, inflow is augmented by a ditch that moves water from Cascade Creek into the reservoir.〔
==Bechler Meadows dam proposals==
The Grassy Lake Dam and the Island Park Reservoir in Idaho were the outcome of an ambitious plan to use the abundant waters of Yellowstone National Park for irrigation in Idaho, Montana and Wyoming. A variety of projects were proposed starting in 1919, the most advanced of which involved a proposed reservoir in the Bechler Meadows and Falls River regions of the southwest corner of the park, immediately to the north of the Grassy Lake site. In 1926 Idaho politicians led by Representative Addison T. Smith proposed the withdrawal of the Bechler area from the park for construction of a reservoir to collect water for use in Idaho. The backlash from conservationists, who compared the proposed reservoir to the Hetch Hetchy Reservoir in Yosemite National Park, derailed the plan, along with disagreements between Wyoming, Montana and Idaho over water rights. The Grassy Lake and Island Park reservoirs were built outside the park as alternative storage sites.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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