Old tunnel #15 destroyed by landslide.
Engineers' have set up a lunch room in the concrete lined entrance to old tunnel #15 to have a cool place to eat and rest.
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This photograph may not be reproduced in any manner without written permission from The San Diego Historical Society, 1649 El Prado, P.O. Box 81825, San Diego, CA. 92138.
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San Diego Historical Society - Ticor Collection
Negative #16359
