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Upstream core drill hole Dam 1
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Core drill hole upstream face Dam 1
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Core drill hole upstream face Dam 1. U-15. Most easterly hole drilled and highest in elevation of any of the 16 holes drilled in the upstream face. Station 3+60.9 Elev. 6630.5.
photCL SCE 02 - 20105
Upstream face Dam 1, showing condition of concrete in vicinity of core-drill hole U-2 prior to drilling
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Upstream face Dam 1, showing condition of concrete in vicinity of core-drill hole U-2 prior to drilling.
photCL SCE 02 - 20103
Upstream core drill hole Dam #1
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Upstream core drill hole Dam #1. U-2 station 11;30.4, Elev. 6898.9.
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Upstream core drill hole Dam #1
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Upstream core drill hole Dam #1. U-4 station 10;10.5, Elev. 6898.1.
photCL SCE 02 - 20111
Upstream core drill hole Dam 1
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Upstream core drill hole Dam 1 - U-1 Station 10+98.0 Elev. 6897.5.
photCL SCE 02 - 20104
Upstream core drill hole Dam #1
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Upstream core drill hole Dam #1. U-5 Station 9+78.6. Elev. 6896.9
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