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

Visual Materials
Big Creek, Florence Lake Dam - Record photo of upstream face of Arches 4 to 10 inc. in first tangent. Arch #8 was covered with J-M Asbestile waterproofing during May 1940.
photCL SCE 02 - 24862

Visual Materials
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.
photCL SCE 02 - 24863

Visual Materials
Big Creek, Florence Lake Dam - Completed walkway waterproofing Arch #1.
photCL SCE 02 - 24109

Visual Materials
Big Creek, Florence Lake Dam - Asbestile over old asphalt emulsion torn by snowload - Arch #8.
photCL SCE 02 - 24019