Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Big Creek, Florence Lake Dam - core samples taken at extrados of Arches 2, 7, 9, and 12 during October 1943. Reading from left to right 9-6, 9-7, 7-1, 12-2, and 2-1.
photCL SCE 02 - 24889
Visual Materials
Big Creek, Florence Lake Dam - core samples taken at extrados of Arches 16, and 17 during October 1943. Reading from left to right 16-3, 16-4, 17-1, 17-2, and 17-3.
photCL SCE 02 - 24891
Visual Materials
Big Creek, Florence Lake Dam - core samples taken at extrados of Arches 15, and 16 during October and November 1943. Reading from left to right 15-1, 15-2, 15-4, 16-1, and 16-2.
photCL SCE 02 - 24890
Visual Materials
Big Creek, Florence Lake Dam - core samples taken at extrados of Arches 14, and 15 during November 1943. Reading from left to right 14-1, 14-2, 14-3, 14-4, and 15-3.
photCL SCE 02 - 24892
Visual Materials
Big Creek, Florence Lake Dam - Drilling core from extrados Arch #15, 13 ft. from right haunch at elevation 7262.
photCL SCE 02 - 24893
Visual Materials
Big Creek, Florence Lake Dam - Location of core holes on extrados of Arch 9
photCL SCE 02 - 22739
