Visual Materials
Big Creek, Florence Lake Dam - Pattern cracking
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Big Creek, Shaver Lake Dam
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Big Creek, Florence Lake Dam
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Big Creek, Florence Lake Dam - Drilling core U-7-1 from upstream face of Arch 7
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Big Creek, Florence Lake Dam - Drilling core U-26-1 from upstream face of Arch 26
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Big Creek, Florence Lake Dam
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Big Creek, Florence Lake Dam - Pattern cracking on buttress at west end.
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Big Creek, Florence Lake Dam
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Big Creek, Florence Lake Dam - Closer view of arch and buttress construction in river section, looking west from approximately the upstream face of arch 56. (Intrados forms for Arch 49 and completed footing trench for Arch 50 are shown in background.
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Big Creek, Florence Lake Dam
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Big Creek, Florence Lake Dam - Record photo of upstream face of Arches 11 to 25 inclusive in second tangent. Arch #13 covered with sheet steel membrane during June 1942 and Arch #12 covered with J-M Asbestile waterproofing during Nov. 1942.
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