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In 1990, John Anthony West, an authority on ancient Egypt, convinced Dr. Robert M. Schoch, an eminent paleontologist and a specialist in the weathering of soft rock, to validate or rebut the aquatic erosion theory. Schoch indeed found the Sphinx to be water-eroded, but he believes the cause was not flooding from the Nile—but rain, with a minimum date for its carving at 5,000 to 7,000 B.C. |
