Scale Model of Grand Coulee<br><br><br> Modelling the Dam<br><br><br> Early Excavation Operations at Grand Coulee Dam<br><br><br> Workers remove weathered and unsound surface rock in<br> the bottom of the Columbia River Channel to provide<br> for a watertight union of granite bedrock and the dam. Bureau workmen stretch bolts on the scrollcase in east powerhouse at <br>Grand Coulee dam as part of the turbine installation process.<br><br> View of pit 6—the scrollcase is now in place<br><br><br> Man gives scale to Bacon Siphon<br><br><br> Construction of the spillway section of Grand Coulee<br><br><br> Electric City Storage Yard—installing reinforcing steel during<br> powerhouse construction.<br><br> Tons of granite boulders were trucked in to the site to prevent the<br> erosion of the riverbanks caused by the Columbia's 350-foot <br>fall over the Grand Coulee spillway.<br> Workers bend reinforcing bars for use in Dry Coulee Canal<br><br><br> Winchester Wasteway—the floor pour is complete and the concrete<br> finisher sets bolts in the fresh concrete.<br><br> Canal-lining equipment moves through Ephrata, Washington.<br><br><br> A farmer outside of Pasco, Washington brings a portion of the<br> Columbia to his water-starved crops.<br><br> A map created by the Army Corps of Engineers recruitment program<br> illustrating completed and existing Corps projects throughout the northwest.<br><br> Website Image 1 - Man stands on syphon.<br><br><br> Website Image 2 - View of the spillway section.<br><br><br> Website Image 3 - Car parked in completed section of Main Canal.<br><br><br>

Use the ImageFlow slider above to follow the construction of the Columbia Basin Project from the modeling stages of Grand Coulee Dam to the delivery of water to Washington State farmers.

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