Visual Materials
Blackwell's Island Bridge : Dedicated as Queensboro Bridge
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Potomac Creek Bridge
Visual Materials
Potomac Creek Bridge, Aquia Creek & Fredericksburgh [sic] Railroad, April 18,1863. Photograph showing several men at the construction site of the Potomac Creek Bridge.
photCL 301 (94)
Big Creek Powerhouse #4
Visual Materials
Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel Office. [workers and their spouses celebrating the completion of Tunnel 2]
photCL SCE 02 - 42550
Big Creek Powerhouse #4
Visual Materials
Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel Office. [workers and their spouses celebrating the completion of Tunnel 2]
photCL SCE 02 - 42551
People standing on a partial bridge
Visual Materials
Unidentified scene, possibly in Arizona. Appears to be a bridge or trestle under construction.
photCL 215 (152)
A construction crew posing for a picture on the bridge they are working on
Visual Materials
A construction crew posing for a picture on the bridge they are working on. The bridge is unidentified.
photCL SCE 04 - 00762
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Photographs documenting construction of the Mandalay Steam Station Cooling Water Intake Canal
Visual Materials
Three photograph albums documenting the construction of a seawater intake canal by Southern California Edison Company for the Mandalay thermal power station on the coast of Oxnard in Ventura County, California. The photographs were compiled by an unidentified civil engineer working on the Edison Canal project from 1958 to 1959. The canal was designed to bring cooling water from the Channel Islands Harbor into the Mandalay station. Images include the power plant, heavy equipment, bridges in the harbor, dredging, workers, and aerial views of the area. In 2010, the California State Water Resources Control Board ordered power plants that draw in sea water for cooling to shut down by 2020; the Mandalay station was decommissioned in 2018. The prints are in color and black-and-white, and are all dated and captioned.
photCL 699