Construction of the foundation for a large water reservoir, Mount Wilson. Two unidentified construction workers stand in the formwork for the reservoir's foundation, pouring concrete from a wheelbarrow. Three other unidentified construction workers are seen standing next to the concrete mixer, in the background. A crane-like structure is also near the concrete mixer; a bucket can be seen hanging from a rope. Trees are seen in the background. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
Concrete construction Concrete construction--Formwork Construction workers--United States Concrete mixers Wheelbarrows Shovels Buckets Hoisting machinery Trees Reservoirs Construction equipment Photographic prints. (gmgpc)
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