Construction site of the Snow telescope building, Mount Wilson Observatory, as seen from platform in tree to the northeast. The site is in a clearing, surrounded by trees and shrubs. Several unidentified construction workers stand in the area. Concrete mixing troughs are seen, as is the foundation for one of the piers. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
Construction--California Construction workers--United States Foundations Construction equipment Concrete mixers Tools Trees Shrubs Mount Wilson Observatory Photographic prints. (gmgpc)
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