Opening Hours
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
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
Big Creek, Huntington Lake Dams - Copy of report on Huntington Lake Dams by H. W. Dennis - page 2. 3. Sheeps foot roller compacting fill. Note erosion on upper portion. 4. Placing Rock Facing 8/22/38. Training wall in foreground. 5. Completed Rock Facing Dam #1 8/22/1938. Front view. 6. View from below 8/22/1938 showing sluice pipes and ruble wall.
photCL SCE 02 - 21576
Visual Materials
Big Creek, Huntington Lake Dams - Copy of report on Huntington Lake Dams by H. W. Dennis - page 4: 11. Excavation lower portion of spillway showing low portion between old and new cuts. 12. View of fill at Dam #2, showing backfill tamped and ready for rock. 13. Close-up of tamped fill at Dam #2. 14. Outlet of leak at Dam #1, Station 5+75 elevation 6890.
photCL SCE 02 - 21578
Visual Materials
Big Creek, Huntington Lake Dams - Copy of report on Huntington Lake Dams by H. W. Dennis - page 5: 15. Combined flow of two leaks east side of Dam #1. 16. Flow of west side leaks Dam #1 near west end of ruble wall. 17. Flow of combined leakage below Dam #1. View about 50' below toe of fill. 18. V notch wier below Dam #2.
photCL SCE 02 - 21579
Visual Materials
Big Creek, Huntington Lake Dams - Copy of report on Huntington Lake Dams by H. W. Dennis - page 3: 7. View showing size of rock being placed. 8/22/1938 8. View of Ruble Wall at Dam #1 sluice pipes. Taken before inspection. 9. Top Berm of Dam #1 showing Ruble Wall. 8/22/1938 10. Improvement of lower portion of spillway channel, Dam 1, 8/22/1938
photCL SCE 02 - 21577
Visual Materials
Big Creek, Huntington Lake Dams - Copy of report on Huntington Lake Dams by H. W. Dennis - page 6: 19. V notched wier below Dam #3. 20. Flow from leakage drain pipe below Dam #3A. 21. Leakage in rock below spillway 4. Auxiliary spillway. 22. Looking west from gate house, Dam #1, showing new parapet.
photCL SCE 02 - 21580