Constructing the foundation for new wing of Mount Wilson Observatory's office building on 813 Santa Barbara Street, Pasadena. Large construction vehicles are seen inside the foundation parameters. Three unidentified men stand on the sidewalk, between two parked cars. A portion of the existing office building is seen at the far right. Trees grow in the area near the building. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
Foundations--Design and construction Construction--California--Pasadena Automobiles Construction equipment Construction vehicles Construction workers--United States Men--California--Pasadena--Photographs Mount Wilson Observatory Office buildings--California--Pasadena--Photographs Office buildings--Design and construction Trees Photographic prints. (gmgpc)
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