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Portal Powerhouse - Water trapped during night around powerhouse structure

Description
Portal Powerhouse - Water trapped during night around powerhouse structure - due to failure of diversion pipe to carry increased seepage thru rack fill between tunnel diversion channel and bench at elevation.
Type
Visual Materials(Opens in new tab)
Date
9/22/1955
Call number
photCL SCE 02 - 43733
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View in the Huntington Digital Library(Opens in new tab)
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