Jackson Lake Dam
Posted by: Groundspeak Premium Member Volcanoguy
N 43° 51.421 W 110° 35.332
12T E 533041 N 4856074
Quick Description: History sign at the Jackson Lake Dam in Grand Teton National Park.
Location: Wyoming, United States
Date Posted: 3/30/2012 7:33:49 AM
Waymark Code: WME3KR
Published By: Groundspeak Premium Member muddawber
Views: 3

Long Description:
Jackson Lake Dam, a vital link in the development of the water and land resources of the Upper Snake River Basin, was built and is operated by the Bureau of Reclamation, U.S. Dept. of the Interior. It was originally authorized for irrigation -- some 1,100,000 acres of the fertile Snake River Valley -- and for flood control along the Snake and lower Columbia Rivers. Outdoor recreation and fish and wildlife conservation have become important project benefits.
History
The Reclamation Service first surveyed Jackson Lake in 1902-03, leading to construction in 1905-07 of a temporary pole-crib dame to store 200,000 acre-feet of water. It rotted and failed in July of 1910, and in 1911 a new concrete structure was begun to restore the vital water supply for the farmers on the Minidoka Project. An unending string of freight wagons hauled cement from the railhead at Ashton, Idaho, over 90 miles away, often through deep snow and at temperatures down to 50° below zero. The 70-foot high structure, completed in 1916, raised the maximum lake elevation 17 feet, and increased the storage capacity to 847,000 acre-feet.
Marker Name: Jackson Lake Dam

Marker Type: Rural Roadside

Group Responsible for Placement: Bureau of Reclamation

Web link(s) for additional information: [Web Link]

Addtional Information: Not listed

Date Dedicated: Not listed

Marker Number: Not listed

Visit Instructions:
Please post a photo of you OR your GPS at the marker location. Also if you know of any additional links not already mentioned about this bit of Wyoming history please include that in your log.
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Recent Visits/Logs:
Date Logged Log User Rating  
sec-guy visited Jackson Lake Dam 8/6/2012 sec-guy visited it
Volcanoguy visited Jackson Lake Dam 10/4/2010 Volcanoguy visited it

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