Share this postWhy This Is Proof of The Great American Flood #grahamhancock #science #history #geologyephektikoi.substack.comCopy linkFacebookEmailNoteOtherWhy This Is Proof of The Great American Flood #grahamhancock #science #history #geology History Drops 83.3K subscribersMike ZimmerApr 25, 2024Share this postWhy This Is Proof of The Great American Flood #grahamhancock #science #history #geologyephektikoi.substack.comCopy linkFacebookEmailNoteOtherShare