Photograph as originally submitted to this page
in the Historical Marker Database www.HMdb.org
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Photographer: Barry Swackhamer
Taken: June 25, 2017
Caption: Corkscrew Grade Marker
Submitted: November 8, 2017, by Barry Swackhamer of Brentwood, California.
Database Locator Identification Number: p403085
File Size: 3.711 Megabytes
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