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Big Creek, Huntington Lake Dams
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Big Creek, Huntington Lake Dams
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Big Creek, Huntington Lake Dams - Copy of Page 12 of Stone & Webster Report on Backfills on Dams at Huntington Lake: 42. Drilling 30' grout holes. 43. Grouting 30'grout holes. Blow pipe in hole in foreground. 44. View of grouting connections. One hole being grouted, another under air pressure after final refusal. 45. Old core drill hole 12 in front of Dam 3A, through which water tests were made. Note broken condition of rock typical in vicinity of this dam. 46. View of upstream face of Dam 3A after backfill has been replaced.
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Big Creek, Huntington Lake Dams
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Big Creek, Huntington Lake Dams - Copy of Page 8 of Stone & Webster Report on Backfills on Dams at Huntington Lake: 23. Dam 3. Typical chipped out vertical contraction crack before guniting. 24. Dam 3. Chipped out vertical & horizontal cracks near north end. 25. Dam 3A. Excavation at upstream face and water test of old drill hole 12 in progress. 26. Dam 3A. Looking south from station 0+25. Upstream cut off wall during excavation.
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Big Creek, Huntington Lake Dams - West end Dam #2
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Big Creek, Huntington Lake Dams - West end Dam #2 - Grouting core drill hole.
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Big Creek, Huntington Lake Dams - Dam #3A
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Big Creek, Huntington Lake Dams - Dam #3A - Hole under bottom of cut-off wall, discovered during excavation.
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Big Creek Huntington Lake Dams
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Big Creek Huntington Lake Dams - Site of Dam 3A. Old cook house in foreground
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Big Creek, Shaver Lake Dam
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Big Creek, Shaver Lake Dam - Calyx Core Drill drilling first hole at Shaver Lake damsite.
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