To: pabianice; Red Badger; RitchieAprile; SunkenCiv; blam; All
The huge crater(s) is/are probably in lake Michigan. Sudbury was caused incredibly earlier, I think it might have been at least a billion years ago, but certainly not during any period of humanoids. Sunken Civ, time to post that Firestone book on the 13,000 yo meteor strike.
To: gleeaikin; pabianice; Red Badger; RitchieAprile; SunkenCiv
posted on 10/23/2011 10:48:11 PM PDT
To: gleeaikin; blam
posted on 10/24/2011 3:50:33 AM PDT
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