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Big Creek - Mammoth Pool - Placing concrete in unit bay area sump
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Big Creek - Mammoth Pool - First concrete in powerhouse unit bay area sump
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photCL SCE 06 - 45730

Big Creek - Mammoth Pool - First concrete in powerhouse unit bay area sump
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Big Creek - Mammoth Pool - First concrete in powerhouse unit bay area sump.
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Big Creek - Mammoth Pool - Reinforcing steel in unit bay area sump in the powerhouse
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Big Creek - Mammoth Pool - Unit bay area excavation at powerhouse site
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Big Creek - Mammoth Pool - General view of unit bay area of the powerhouse
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Big Creek - Mammoth Pool - Placing concrete - Spillway crest
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