Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
![Sierra pipeline [penstock] showing pipe below tunnel in collapsed condition](/_next/image?url=https%3A%2F%2Frail.huntington.org%2FIIIF3%2FImage%2F22APN4VM84Y3%2Ffull%2F%5E360%2C%2F0%2Fdefault.jpg&w=750&q=75)
Visual Materials
Sierra pipeline [penstock] Showing pipe below tunnel in collapsed condition.
photCL SCE 03 - 00271
![Sierra pipeline [penstock] showing pipe below tunnel in collapsed condition](/_next/image?url=https%3A%2F%2Frail.huntington.org%2FIIIF3%2FImage%2F22APN4VMJZN0%2Ffull%2F%5E360%2C%2F0%2Fdefault.jpg&w=750&q=75)
Visual Materials
Sierra pipeline [penstock] Showing pipe below tunnel in collapsed condition.
photCL SCE 03 - 00270
![Sierra pipeline [penstock] showing pipe below tunnel in collapsed condition](/_next/image?url=https%3A%2F%2Frail.huntington.org%2FIIIF3%2FImage%2F22APN4VMJPOS%2Ffull%2F%5E360%2C%2F0%2Fdefault.jpg&w=750&q=75)
Visual Materials
Sierra pipeline [penstock] Showing pipe below tunnel in collapsed condition.
photCL SCE 03 - 00269
![Sierra pipeline [penstock] showing pipe below tunnel in collapsed condition](/_next/image?url=https%3A%2F%2Frail.huntington.org%2FIIIF3%2FImage%2F22APN4VM8ULV%2Ffull%2F%5E360%2C%2F0%2Fdefault.jpg&w=750&q=75)
Visual Materials
Sierra pipeline [penstock] Showing pipe below tunnel in collapsed condition.
photCL SCE 03 - 00268
Visual Materials
Sierra - Reconstruction of pipeline - Showing pipe below tunnel and grade for same.
photCL SCE 03 - 00307
Visual Materials
Sierra pipeline reconstruction - Showing construction camp known as "Mercereau Camp".
photCL SCE 03 - 00272
