©
rcoss2001: John Cleves Symmes, Jr. Monument
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rcoss2001: Top of Monument - The Hollow Earth
©
rcoss2001: Captain John Cleves Symmes
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rcoss2001: The Earth Is Hollow And Habitable Within
©
rcoss2001: John Cleves Symmes
©
rcoss2001: John Cleves Symmes
©
rcoss2001: John Cleves Symmes