Visual Materials
Big Creek, Florence Lake Dam
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Florence Lake Dam - View of River Section arches (note
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Florence Lake Dam - View of River Section arches (note - gunite buffer strip at base of arch 54)
photCL SCE 02 - 30588

Big Creek, Florence Lake Dam
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Big Creek, Florence Lake Dam - Progress photo showing application of 1" reinforced gunite buffer coating along base of Arch #12.
photCL SCE 02 - 24875

Big Creek, Florence Lake Dam
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Big Creek, Florence Lake Dam - View of intrados of Arch 52, showing vertical cracks etc.
photCL SCE 02 - 12835

Big Creek, Florence Lake Dam
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Big Creek, Florence Lake Dam - Record photo of River Section arches. Johns-Manville waterproofing on all arches except Arch No. 53. Upper portion of Arch 53 is covered with Barrett Waterworks enamel. The lower portion is linseed oil treatment over gunite with reflective coating of aluminum.
photCL SCE 02 - 24838

Big Creek, Florence Lake Dam
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Big Creek, Florence Lake Dam - Close-up of gunite key at base of Arch #13, showing evidence of back leakage. Gunite key was covered with asbestile on November 25, 1942.
photCL SCE 02 - 24825

Big Creek, Florence Lake Dam
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Big Creek, Florence Lake Dam - Cutting bottom key at base of Arch 54 preparatory to 4" gunite coating to elevation 7235.
photCL SCE 02 - 24717