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Machine set up for drilling core hole
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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 core drill hole Dam 1
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Upstream core drill hole Dam 1. U-s station 10+62.7. Elevation 6898.9. This hole is in column of concrete near gate house which shows evidence of different mix than surrounding concrete on upstream face.
photCL SCE 02 - 20101

Core drilling machine setup
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Core machine setup on hole D-13 Dam #1.
photCL SCE 02 - 20153

Core drill hole
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Core drill hole U-13 Upstream face Dam 1 approx. 108 to West of West end of gunnited seam.
photCL SCE 02 - 20108

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
photCL SCE 02 - 20106
