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.
Ventilation Shaft Marker
Photographer: Bill Coughlin
Taken: April 23, 2007
Caption: Ventilation Shaft Marker
Additional Description: This marker is located on the walking trail at "The Crater" Tour Stop.
Submitted: April 13, 2008, by Bill Coughlin of Woodland Park, New Jersey.
Database Locator Identification Number: p21279
File Size: 3.247 Megabytes

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