Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
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 - Typical chipping, Arch #50 (1942 Asbestile repairs).
photCL SCE 02 - 25576
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 - Excavating trash and gunite rebound along base of Arch #52 prior to backfilling.
photCL SCE 02 - 24811
Visual Materials
Big Creek, Florence Lake Dam - Progress photo showing application of 1" reinforced gunite buffer coating along base of Arch #12.
photCL SCE 02 - 24875
Visual Materials
Big Creek, Florence Lake Dam - Record photo of typical vertical crack in 1" buffer gunite at base of river section arches. There are approximately 3 such cracks per arch. This particular crack is on Arch 55.
photCL SCE 02 - 24874
