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.
Tunnel No. 1 Control Shaft Marker
Photographer: Barry Swackhamer
Taken: February 3, 2014
Caption: Tunnel No. 1 Control Shaft Marker
Submitted: February 12, 2014, by Barry Swackhamer of Brentwood, California.
Database Locator Identification Number: p266171
File Size: 3.280 Megabytes

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