Workers putting in cement piers, Soledad Syphon, Los Angeles Aqueduct construction, [s.d.]

Photograph of workers putting in cement piers, Soledad Syphon, Los Angeles Aqueduct construction, [s.d.]. Nearly a dozen men wearing pants with suspenders and work shirts or overalls can be seen standing near a large piece of machinery to the right. One man stands on top of a platform at right connected to the machine. Six wall-like structures can be seen constructed behind the machine. A wheelbarrow, wooden planks, and piles of dirt can be seen near the men, while a small shrub-filled hill is visible in the background.