Browse Items (50 total)

  • Collection: Grand Coulee Dam

GrandCoulee001.tif
One photo album illustrating the construction of the Grand Coulee Dam from 1933 to 1937. It includes photographs of the site before construction, the Columbia River diversion, blasting, "jackhammer men," driving steel piling, and general construction…

GrandCoulee002.tif
Columbia River - Kettle Falls.

GrandCoulee003.tif
Columbia River - General view in reservoir area.

GrandCoulee004.tif
Grand Coulee Damsite - Looking west, December 1933.

GrandCoulee005.tif
Grand Coulee Damsite - Looking west, April 1937.

GrandCoulee006.tif
Grand Coulee Damsite - Looking east, December 1933.

GrandCoulee007.tif
Grand Coulee Damsite - Looking east - May, 1937.

GrandCoulee008.tif
East end, Grand Coulee Dam - Concrete placing trestles and bedrock foundation blocks - January, 1937.

GrandCoulee009.tif
Anchoring to granite - the east abutment at Grand Coulee Dam.

GrandCoulee010.tif
"Digging In" - The First shovel - December 1933.

GrandCoulee011.tif
The President's Visit - August 4, 1934.

GrandCoulee012.tif
Builders' Quarters - Government camp in the foreground; contractor's camp across the river - 1936.

GrandCoulee013.tif
Government camp and highway bridge, 1936. Upstream is west cofferdam, concrete placing trestle, and west conveyor.

GrandCoulee014.tif
West cofferdam, March 31, 1935. Length, 3000 feet, height 115 feet, over 17,000 tons steel piling, constructed in ninety days.

GrandCoulee015.tif
Driving steel piling. West cofferdam.

GrandCoulee016.tif
Excavation - Five-yard shovel loading ten-yard buggies - excavating overburden from dam foundation.

GrandCoulee017.tif
Excavation behind west cofferdam - August, 1935.

GrandCoulee018.tif
Belt conveyor - Transporting excavated material to Rattlesnake Canyon, 1 1/2 miles distant.

GrandCoulee019.tif
Conveyor stacker - discharging excavated material in Rattlesnake Canyon.

GrandCoulee020.tif
Governor Clarence D. Martin formally placing first concrete in dam, December 6, 1935.

GrandCoulee021.tif
Concrete placing - January 1936. Top of dam 280 feet above high trestle deck.

GrandCoulee022.tif
Concrete in dam. June, 1936. One millionth yard placed August 14, 1936.

GrandCoulee023.tif
Concrete placing - Dumping a four-yard concrete bucket.

GrandCoulee024.tif
Bedrock behind west cofferdam.

GrandCoulee025.tif
A five-yard shovel loading a twenty-yard "Buggy."

GrandCoulee026.tif
Night at Grand Coulee.

GrandCoulee027.tif
Jackhammer Men - with hard hats and safety belts they trim steep abutment slopes.

GrandCoulee028.tif
Upstream Face Grand Coulee Dam. 1,550,000 cubic yards of concrete in place.

GrandCoulee029.tif
West End Grand Coulee Dam - Concrete placing trestles and cranes.

GrandCoulee030.tif
The checkerboard. The pouring of concrete into interlocking blocks permits grouting of contraction joints to form monolithic mass.

GrandCoulee031.tif
A "House of Magic" - One of two concrete mixing plants, capacity 8,000 cubic yards per day each.

GrandCoulee032.tif
Cooling pipe. Water will be circulated through 2000 miles of it embedded in the dam to cool and shrink the concrete and thus facilitate grouting of construction joints.

GrandCoulee033.tif
Facilities for visitors. Some 200,000 visitors in 1936 inspected a model of the dam and from sheltered seats close to the work on each side of the river viewed the construction work and had it explained over a public address system.

GrandCoulee034.tif
"Ice Dam" - Muck flowing into deep depression in bedrock, stopped by artificially frozen arch dam.

GrandCoulee035.tif
Deepest foundation depression. Ice dam restraining the muck from flowing into pit.

GrandCoulee036.tif
Gravel Pit. Deposit from which concrete aggregates are excavated by electric shovels and belt conveyors at a rate of 2500 tons per hour.

GrandCoulee037.tif
Source of supply for the eleven million yards of sand and gravel required for the Grand Coulee Dam.

GrandCoulee038.tif
Columbia River Diverted. Two cross-river cofferdams divert stream through low sections in west portion of dam while east portion is unwatered for preparation of foundation.

GrandCoulee039.tif
Cold Concrete. Nearly 2,000,000 cubic yards of it in west end of dam with Columbia diverted through low section.

GrandCoulee040.tif
The Bucket. Downstream face of spillway with powerhouse foundation beyond.
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