Opening Hours
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108

Visual Materials
Big Creek, Florence Lake Dam - Method of waterproofing day's work joints on Arch 52, before guniting. 6" strips of asphalt impregnated felt was tacked to the arch between two applications of asbestile waterproofing.
photCL SCE 02 - 24724

Visual Materials
Big Creek, Florence Lake Dam - Progress photo showing application of Johns-Manville Waterproofing to final lift on Arch No. 52.
photCL SCE 02 - 24821

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

Visual Materials
Big Creek, Florence Lake Dam - Progress photo showing placement of concrete in 4' x 4' culvert portion of east Sluice Gate extension. Bryant crew applying Johns-Manville waterproofing to Arch #52.
photCL SCE 02 - 24819

Visual Materials
Big Creek, Florence Lake Dam - Close-up showing application of 15# felt and final coat of plastic on Arch No. 52. Johns-Manville waterproofing being applied by the J.H. Bryant Co.
photCL SCE 02 - 24820a

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