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Contact: A'ndrea Elyse Messer
aem1@psu.edu
814-865-9481
Penn State
Caption: Salt incursion into layers of rock indicating how obelisks were mined.
Credit: Katarin Parizek, Penn State
Usage Restrictions: With this story only.
Related news release: Aswan Obelisk Quarry More than Meets the Eye
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