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glatt · 11-20-2008, 10:00 AM

It's really cool how smooth/straight that hole is. I'm no geologist. There's probably some simple explanation for how it was formed, but I can't imagine what that would be.

11-20-2008, 10:00 AM	#8
glatt ™ Join Date: Jul 2003 Location: Arlington, VA Posts: 27,717	It's really cool how smooth/straight that hole is. I'm no geologist. There's probably some simple explanation for how it was formed, but I can't imagine what that would be.