This project was supported in whole or in part by the U.S. Institute of Museum and Library Services under the provisions of the Library Services and Technology Act, administered in California by the State Librarian. Made accessible through a grant from the John Randolph Haynes and Dora Haynes Foundation and Photo Friends.
Photograph caption dated March 3, 1958 reads "While cement mixer churns in background, this Sikorsky helicopter is being refueled to carry cement into Santa Susana Mountains where Southern California Edison Company is linking Saugus and Chatsworth with 66,000 volt transmission line. Helicopter is performing certain jobs in 20 minutes which normally take up to eight hours in mountainous terrain." See images 00155775 through 00155778 for all photos in this series.
Southern California Edison Company Sikorsky Aircraft (Firm) Construction workers Men Sikorsky helicopters Choctaw (Military transport helicopter) Helicopters Concrete mixers Cement Trucks San Fernando Valley (Calif.)
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