Construction of the 'stellar' pier of Snow telescope, Mount Wilson Observatory. The foundation pier is made from rocks and concrete; the wooden scaffolding still surrounds the structure. Behind the pier, tall poles support the lines for pulleys. Trees are in the surrounding area. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
Construction--California Pedestals Scaffolding Rocks Concrete Construction workers--United States Trees Mount Wilson Observatory Photographic prints. (gmgpc)
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