Photograph as originally submitted to this page in the Historical Marker Database www.HMdb.org. Click on photo to resize in browser. Scroll down to see metadata.
Diagram and Map of Tunnel
Photographer: courtesy Los Angeles Times
Taken: June 25, 1971
Caption: Diagram and Map of Tunnel
Submitted: December 14, 2021, by Craig Baker of Sylmar, California.
Database Locator Identification Number: p627953
File Size: 0.456 Megabytes

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