Concrete mixer for construction of a water reservoir, Mount Wilson. Four unidentified construction workers are posed around the concrete mixer and surrounding construction equipment. Wooden scaffolding and platforms have been built around the mixer. The reservoir construction site is just out of frame, to the left. Trees and shrubs are in the background. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
Concrete mixers Concrete construction Concrete Construction workers--United States Scaffolding Platforms Reservoirs Construction equipment Trees Shrubs Photographic prints. (gmgpc)
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