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  • TGM Subject
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  • Collection
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  • Seismograph Station Equipment
  • Seismographs--Washington (State)--Coulee Dam
  • Grand Coulee Seismograph Station. Time Control. From left to right: 1. The 115 kilocycle receiver attuned to NPG, San Francisco, with telechron timing clock for turning the received on and off, for the automatic reception of long wave radio time...
  • Frank A. Banks Collection
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  • Bulk Cement Silos
  • Concrete
  • Steel silos used for storing bulk cement is blown through a long pipeline to the storage bins at the mixing plant.
  • Frank A. Banks Collection
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  • Conveyor Suspension Bridge
  • Conveying systems--Washington (State)--Grand Coulee Dam; Excavation; Brett Gravel Pit
  • Seen here is the central tower of the conveyor system construction and excavation workers used to remove spoil from the Grand Coulee Dam site.
  • Frank A. Banks Collection
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  • North End of Block Forty
  • Conveying systems--Washington (State)--Grand Coulee Dam; Cofferdams
  • Shown here is the north end of block 40 in foreground, the timber crib plug to the cofferdam cell cluster, center tower of aggregate suspension bridge tower in cell 5, cofferdam section "G." Bridge spans on both sides of tower, 1437 feet....
  • Frank A. Banks Collection
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  • "Synchronized" Trucks Transporting Steel Girders
  • Girders; Trucks--Washington (State)--Grand Coulee Dam
  • "Synchronized" trucks handling a long, heavy section of steel roof girder, transporting it to the east powerhouse.
  • Frank A. Banks Collection
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  • Scroll Case Elbow
  • Water tunnels--Washington (State)--Grand Coulee Dam; Concrete
  • Special elbows were required to connect a Shasta turbine scroll case in one turbine pit with a penstock in an adjoining pit because the Shasta turbines turned in a "left-handed" direction while the Grand Coulee units turn "right-handed. Each inlet...
  • Frank A. Banks Collection
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  • Control Room in Operation
  • Control rooms--Washington (State)--Grand Coulee Dam; Employees--Washington (State)--Grand Coulee Dam
  • From the control room desk at the left, power plant operators have telephone connections with all parts of the dam and powerhouse, and long distance outlets through the local Bell telephone system, also facilities for communicating with other power...
  • Frank A. Banks Collection
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  • Mason City and Government Camp
  • Housing; Construction; Rivers; Civil service
  • Long view of Mason City town site and, across the Columbia River, the Government Camp.
  • Frank A. Banks Collection
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  • Government Worker Camps
  • Housing; Construction; Rivers
  • Long view photograph of Government Camp and Mason City under construction.
  • Frank A. Banks Collection
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  • Assembly Building Nearing Completion
  • Construction; Hoisting machinery
  • To expedite the assembling of new turbine and generators and to store government equipment, the Bureau of Reclamation is constructing a large assembly building on the west shore, upstream from the dam. The structure ultimately will be 357 feet...
  • Frank A. Banks Collection
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  • Drum Gate Erection
  • Sluice gates
  • Erection in progress on drum gate No. 1. When fully assembled, the Grand Coulee drum gates are 135 feet long 28 feet high and weigh 735 tons.
  • Frank A. Banks Collection
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  • Falsework for Highway
  • Road construction--Washington (State)--Grand Coulee Dam
  • Falsework and forms for the construction of the arch-type highway spans over the eleven drum gates in the 1650-foot spillway. The bridges will be comprised of 7400 cubic yards of heavily reinforced concrete. The elevation of the water in the...
  • Frank A. Banks Collection
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  • Control Cable Tunnel
  • Employees--Washington (State)--Grand Coulee Dam; Railroads; Tunnels--Washington (State)--Grand Coulee Dam
  • Control cable tunnel, two-thirds of a mile long and 12 feet in diameter, for carrying the electrical lines that will someday join the dam's two powerhouses into a common network. Conduits have been embedded in the concrete floor, and cable trays,...
  • Frank A. Banks Collection
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  • Long View of Conveyor Belt
  • Concrete; Dam construction; Dams; Construction; Excavation; Power plants
  • Long view photograph of conveyor system used to carry concrete materials from screening plants to stock areas.
  • Frank A. Banks Collection
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  • Long View of Grand Coulee Dam Foundation in March, 1938
  • Spillways--Washington--Grand Coulee Dam; Civil engineering; Trestles
  • This long view photograph shows progress on the Grand Coulee Dam at the end of the M.W.A.K. contract covering excavation and foundation of the Grand Coulee Dam
  • Frank A. Banks Collection
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  • Long View of Grand Coulee Dam under construction in November, 1938
  • Spillways--Washington--Grand Coulee Dam; Civil engineering; Trestles
  • Long view of Grand Coulee Dam site with elevation 1180 construction trestle completed and ready for construction.
  • Frank A. Banks Collection
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  • East Bank Excavation
  • Public Works projects; Cranes; Excavation; Diversion weirs
  • Long view of excavation activities behind east side of central block 40 on the Columbia River taken from the unfinished point of the east side trestle bridge.
  • Frank A. Banks Collection
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  • Gravel Stockpiles
  • Concrete; Dam construction; Dams; Construction; Excavation; Power plants
  • Long view photograph of conveyor system and storage deposit for raw materials used in the manufacture of concrete.
  • Frank A. Banks Collection
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  • Suspension Bridge Across Columbia River
  • Concrete; Dam construction; Dams; Construction; Excavation; Power plants; Bridges
  • Long view photograph of the west side cofferdam and the suspension bridge used to transport material for the Grand Coulee Dam project.
  • Frank A. Banks Collection
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  • Suspension Bridge Across Columbia River
  • Concrete; Dam construction; Dams; Construction; Excavation; Power plants; Bridges
  • Long view photograph of the west side cofferdam and the suspension bridge used to transport material for the Grand Coulee Dam project.
  • Frank A. Banks Collection

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