Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Copy of report on condition of Huntington Lake Dams - core samples & captions: 1. Showing scaffolding used on DS face of Dam #1. 2. Cutting core D #1 from toe of Dam #1. 3. Gas motor driven concore cutter used on DS face of Dam #1 4. Operating from swinging scaffold US face of Dam #2
photCL SCE 02 - 20048
Visual Materials
Big Creek, Huntington Lake Dams - Copy of Page 7 of Stone & Webster Report on Backfills on Dams at Huntington Lake: 19. Dam 2, station 10+75, view of face at reference station for vertical profile. Note drill holes for determining depth of disintegration. 20. Dam 2. Seam & spalled concrete near station 13+75, elev. 6902' 21. Spalled area at Dam 2 looking east from about station 12+00; reservoir at elevation 6899'. 22. Dam 2, looking east from 14+50. Excavation in foregroundis at about elevation 6901'.
photCL SCE 02 - 21850
Visual Materials
Big Creek, Huntington Lake Dams - Copy of Page 12 of Stone & Webster Report on Backfills on Dams at Huntington Lake: 42. Drilling 30' grout holes. 43. Grouting 30'grout holes. Blow pipe in hole in foreground. 44. View of grouting connections. One hole being grouted, another under air pressure after final refusal. 45. Old core drill hole 12 in front of Dam 3A, through which water tests were made. Note broken condition of rock typical in vicinity of this dam. 46. View of upstream face of Dam 3A after backfill has been replaced.
photCL SCE 02 - 21855
Visual Materials
Big Creek, Huntington Lake Dams - Copy of report on Huntington Lake Dams by H. W. Dennis - page 1 1. Erosion of fill at Dam 2 after storm of December 1937. 2. Fill at Dam 3, 8/22/38 , showing erosion before repair work.
photCL SCE 02 - 21575
Visual Materials
Big Creek, Huntington Lake Dams - Copy of report on Huntington Lake Dams by H. W. Dennis - page 9: Above - East end of Dam #1, showing riprap wall terminating at the top of the rock fill. Earth in foreground will make a 30' oil roadway along the top of the dam. Below - Practically completed 2' rock erosion protection blanket on downstream face of Dam #1.
photCL SCE 02 - 21583
Visual Materials
Core drill hole upstream face Dam 1. U-15. Most easterly hole drilled and highest in elevation of any of the 16 holes drilled in the upstream face. Station 3+60.9 Elev. 6630.5.
photCL SCE 02 - 20105
