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You've searched: Frank A. Banks Collection

  • Title: Welding
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    • Penstock Welding

    • Penstocks--Washington (State)--Grand Coulee Dam; Spillways--Washington (State)--Grand Coulee Dam
    • Welding in progress on the installation of an 18-foot diameter steel penstock liner section. The scaffold is used by welders to make the circumferential seam joining this section with the one previously installed.
    • Columbia Basin Project History; Text of Volume IX (1941)

    • Dam construction; Dams; Power plants; Reservoirs; Spillways; Hydroelectric power; Housing; Construction; Plans; Government officials; Excavation; Surveying; Irrigation; Rivers; Pedestrian bridges; Sewerage; Hydraulic facilities; Civil service
    • Table of Contents and selected material from volume nine of the Columbia Basin History Project for the Grand Coulee Dam

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