Photograph as originally submitted to this page
in the Historical Marker Database www.HMdb.org
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Photographer: Duane Hall
Taken: August 29, 2008
Caption: Layer of Obsidian Sandwiched Between Pumice
Submitted: March 19, 2014, by Duane Hall of Abilene, Texas.
Database Locator Identification Number: p268590
File Size: 1.397 Megabytes
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