Visual Materials
Big Creek Powerhouse #3 - Ingersol
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Big Creek Powerhouse #3 - Ingersol-Rand drill sharpeners in use at Tunnel 3.
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F.P.C. Vol 3, Projects 67 & 120 - Construction Big Creek Powerhouse 3 and construction camps
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F.P.C. Vol 3, Projects 67 & 120 - Construction Big Creek Powerhouse 3 and construction camps. [Tunnel 3 - intake construction, portal adit Camp 36, Camp 35 adit, outlet portal, Penstock 3 portal structure and manifold, surge chamber, drill sharpeners, connecting 18' penstock to manifold, butterfly valve house, flume to carry sluicing water at outlet, surge chamber, Powerhouse 3 construction, installation of 3 penstocks, turbine and generator installations at PH #3, 220 kV switchyard.]
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