Construction of new museum, Mount Wilson. Two unidentified construction workers are seen working within a construction area bordered by two walls of formwork. Lumber and several pieces of equipment are seen within the area. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
Construction--California--Mount Wilson--Photographs Construction workers--United States Concrete construction--Formwork Lumber Construction equipment Exterior walls Photographic prints. (gmgpc)
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