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The Info List - Keystone Lake



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KEYSTONE LAKE is a reservoir in northeastern Oklahoma
Oklahoma
on the Arkansas and Cimarron rivers. It is located upstream about 23 miles (37 km) from Tulsa . It was created in 1968 when the KEYSTONE DAM was completed. The primary purposes are: flood control, hydroelectric power generation, wildlife management and recreation.

CONTENTS

* 1 General description * 2 Dam construction details * 3 Largest release in service * 4 Recreation * 5 Notes * 6 References * 7 External links

GENERAL DESCRIPTION

Keystone Lake
Keystone Lake
is about 23,600 acres (96 km2) in area, and was designed to contain 505,381 acre feet (623,378,000 m3) of water. It was named for the community of Keystone, which existed on the site from 1900 until 1962, when it was inundated by the waters of the lake. Construction of the lake forced the relocation of three other towns: Mannford, Oklahoma
Oklahoma
(also known as New Mannford by locals), Prue (also known as New Prue), and Appalachia Bay, Oklahoma. The town of Osage was partially abandoned to the lake, while the rest clings to the south shore. Engineers built a levee around low-lying areas of the south and east sides of Cleveland, Oklahoma
Oklahoma
to prevent flooding of that city. The shoreline extends for 330 miles (530 km).

Two Oklahoma
Oklahoma
state parks, Keystone State Park and Walnut Creek State Park , are located along the shores of the lake offering camping, hiking and biking trails, fishing, swimming and boating opportunities. The area also features a Yogi Bear's Jellystone Park Camp-Resort as you cross the Keystone Dam near Sand Springs.

The Keystone Lake
Keystone Lake
project was authorized by the Flood Control Act of 1950 . It was designed and built by the Tulsa District, Army Corps of Engineers. Construction began in January 1957 and was complete for flood control purposes in September 1964. Commercial operation of the power generating facility began in May 1968.

A reregulating dam, located 7.8 miles (12.6 km) downstream of the main dam, was also completed in 1968. Cost of the total project was approximately $123 million. In 1986, the reregulating dam was removed due to public safety issues, as 16 people had drowned at the dam.

DAM CONSTRUCTION DETAILS

The dam was actually constructed across the Arkansas River, downstream of the confluence with the Cimmaron River. It is built of rolled earthfill material. Maximum height of the dam is 121 feet (37 m) above the stream bed. The total length of the dam is 4,600 feet (1,400 m), including a 1,600 feet (490 m)-long concrete section. The spillway in the concrete section is 856 feet (261 m) wide. The non-overflow part of the concrete section includes a power intake structure. State Highway 151 crosses the dam, connecting State Highway 51 on the south with U.S. Highway 64 on the north.

The spillway is a gated ogee weir, 720 feet (220 m) wide with eighteen tainter gates, each 40 by 35 feet (12 by 11 m). Spillway capacity at the maximum pool level (elevation 766.0 feet (233.5 m)) is 939,000 cubic feet per second (26,600 m3/