The Coolidge Dam

The Coolidge Dam (HM1JOY)

Location: San Carlos, AZ Gila County
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Country: United States of America
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N 33° 10.529', W 110° 31.746'

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Built by
The United States of America
Department of Interior
Bureau of Indian Affairs
Irrigation Service
Calvin Coolidge
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


C.R. Olberg Assistant Chief Engineer in Charge · C.H. Southworth Construction Engineer · H.C. Neuffer Designing Engineer · J.A. Fraps Assistant Designing Engineer · M.R. Trenam Assistant Designing Engineer · E.L. Rose Electrical Engineer · Allan Sickler Assistant Electrical Engineer · R.H. Rupkey Assistant Engineer · K.M. Fisher Instrumentman · Elvin Johnson Chief Inspector · Christian Bottinger Chief Inspector · Bruce Johnston Testing Inspector · C.L. Shotwell Disbursing Agent · John F. Truesdell Counselor

Consulting Engineers

Gen. W.C. Langfitt · A.J. Wiley · F.A. Noetzli · L.C. Hill · Barry Dibble · P.O. Wright Architect

Atkinson, Kier Bros., Spicer Company
Lynn Atkinson - Elmer Kier - Ernest Kier - C.A. Spicer

J. C. Tripp General Superintendent

Charles G. Clapp Asst. Sup't · Huso Festich Excavation Sup't · James F. Hurst Concrete Sup't · F. F. Hassell Steel Placing Sup't · S. S. Atkin Office Manager · F.A. Wright Contractors Eng'r · Johhn C. Moore Carpentry Sup't · Ellis M. Shimiel Gravel Plant Sup't · Ernest Wallin Rigging Sup't · Neil Gibbons Chief Timekeeper H.B. Hulm Auditor

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.

Dedicated by
Calvin CoolidgeMarch 4, 1930.
Year Placed1930
Placed ByBureau of Indian Affairs
Marker ConditionNo reports yet
Date Added Friday, March 20th, 2015 at 1:04pm PDT -07:00
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Locationbig map
UTM (WGS84 Datum)12H E 543902 N 6329159
Decimal Degrees33.17548333, -110.52910000
Degrees and Decimal MinutesN 33° 10.529', W 110° 31.746'
Degrees, Minutes and Seconds33° 10' 31.74" N, 110° 31' 44.76" W
Driving DirectionsGoogle Maps
Closest Postal AddressAt or near Government Rd, San Carlos AZ , US
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

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