View of the San Gabriel Canyon wall before explosion for the excavation of the San Gabriel Dam. Related "Gigantic Blast Aids Dam Work: Ninety Tons of Powder Used at San Gabriel Side of Canyon Seems Molten Before Explosive Engineering Feat Figured to Exact Result," Los Angeles Times, 27 June 1929: A10.
Row of five parked tractors with attached drills with supervisors gathered beyond in San Gabriel Canyon during the construction of the San Gabriel Dam.
The San Gabriel Dam is a rock-fill dam on the San Gabriel River in Los Angeles County, California, within the Angeles National Forest. It was under construction from 1932 to completion in 1939.
The San Gabriel Dam is a rock-fill dam on the San Gabriel River in Los Angeles County, California, within the Angeles National Forest. It was under construction from 1932 to completion in 1939.
The San Gabriel Dam is a rock-fill dam on the San Gabriel River in Los Angeles County, California, within the Angeles National Forest. It was under construction from 1932 to completion in 1939.
The San Gabriel Dam is a rock-fill dam on the San Gabriel River in Los Angeles County, California, within the Angeles National Forest. It was under construction from 1932 to completion in 1939.
The San Gabriel Dam is a rock-fill dam on the San Gabriel River in Los Angeles County, California, within the Angeles National Forest. It was under construction from 1932 to completion in 1939.
The San Gabriel Dam is a rock-fill dam on the San Gabriel River in Los Angeles County, California, within the Angeles National Forest. It was under construction from 1932 to completion in 1939.