San Carlos in Gila County, Arizona — The American Mountains (Southwest)
The Coolidge Dam
The United States of America
Department of Interior
Bureau of Indian Affairs
President of the United States of America
Roy O. West Secretary of the Interior • Hubert Work Secretary of the Interior • Charles H. Burke Commissioner of Indian Affairs • Edgar B. Merritt Ass't Commissioner of Indian Affairs • S.J. Flickinger Chief Irrigation Division • H.V. Clotts Chief Engineer • W.M. Reed Chief Engineer
Lynn Atkinson - Elmer Kier - Ernest Kier - C.A. Spicer
Date Work Commenced - January 1927 • First Concrete Placed - November 24, 1927 • Dam Construction Completed - October 25, 1928 • Elevation of Base of Dam - 2286 • Elevation of Roadway - 2536 • Height Above Bedrock - 250 feet • Reservoir Capacity - 1,200,000 acre feet • Foundation Rock and Spillway Excavation - 317,000 cu. yds. • Total Concrete Placed in Structure - 204,000 cu. yds. • Reinforcing Steel Required - 3,500 tons • Length of Central Buttress at Base - 270 feet • Maximum Span of Domes - 180 feet • Total Overall Length of Structure Including Spillways - 920 ft.
March 4, 1930.
Erected 1930 by Bureau of Indian Affairs.
Location. 33° 10.529′ N, 110° 31.746′ W. Marker is in San Carlos, Arizona, in Gila County. Marker is on Coolidge Dam Road (Route 3) 9 miles south of US 70 (U.S. 70), on the Touch for map. Watch for San Carlos Lake signs approaching the Peridot off-ramp. Head south on Coolidge Dam Road approximately 9 miles. Marker is in this post office area: San Carlos AZ 85550, United States of America.
More about this marker. Marker is located on the SW light stanchion of the dam's roadway.
Also see . . . Wikipedia - Coolidge Dam. (Submitted on March 15, 2015.)
Categories. • Industry & Commerce • Man-Made Features •
Credits. This page was last revised on June 16, 2016. This page originally submitted on March 15, 2015. This page has been viewed 181 times since then and 38 times this year. Photos: 1, 2, 3, 4, 5, 6, 7, 8. submitted on March 15, 2015. • Syd Whittle was the editor who published this page.