Visual Materials
Big Creek, Florence Lake Dam
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Big Creek, Florence Lake Dam
Visual Materials
Big Creek, Florence Lake Dam - View of portion of Arch 8 showing area where Johns-Manville waterpoofing has torn loose from arch. This area was repaired during June 1942, by sealing exposed day's work joints and margins with asbestile waterproofing and covering with reflecting coat of aluminum.
photCL SCE 02 - 24736

Big Creek, Florence Lake Dam
Visual Materials
Big Creek, Florence Lake Dam - Arch #52 after extrados inspection. Marked day's work joints had been chipped preparatory to guniting when this photo was taken.
photCL SCE 02 - 22870

Big Creek, Florence Lake Dam
Visual Materials
Big Creek, Florence Lake Dam - Close-up of a cluster of blisters on the J-M Asbestile waterproofing on Arch 8. Waterproofing was applied May 1940.
photCL SCE 02 - 24747

Big Creek, Florence Lake Dam
Visual Materials
Big Creek, Florence Lake Dam - Typical blister formed under asbestile waterproofing on arch 12 side of gunite fillet in Arch 12-13 groin while subjecting Arch 13 to 3/4 lb. air pressure for testing leaks.
photCL SCE 02 - 24878

Big Creek, Florence Lake Dam
Visual Materials
Big Creek, Florence Lake Dam - Day's Work Joint Repair April 1940. Guniting on Arch 13 and chipping on Arch 14.
photCL SCE 02 - 22876

Big Creek, Florence Lake Dam
Visual Materials
Big Creek, Florence Lake Dam - Day's Work Joint Repair April 1940. Arch #51 after guniting.
photCL SCE 02 - 22877