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.
Shaft Drill Core and Marker
Photographer: Barry Swackhamer
Taken: May 8, 2010
Caption: Shaft Drill Core and Marker
Submitted: November 26, 2011, by Barry Swackhamer of Brentwood, California.
Database Locator Identification Number: p182331
File Size: 2.900 Megabytes

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