[Texascavers] RE: Anachronistic graffiti

[Minton, Mark]

Ted Samsel said:   >My old man liked to screw with the historical record by enscribing future dates on concrete that he had poured and then pouring a new floor over it with the more current date. He wanted to confuse the archaeologistii.         Cute trick, but one that would not hold up to scrutiny if it were actually important to know.  The aging of concrete has been well studied and the similar chemistry and age of the two pours would become obvious upon chemical analysis.   Mark Minton --------------------------------------------------------------------- Visit our website: http://texascavers.com To unsubscribe, e-mail: texascavers-unsubscr...@texascavers.com For additional commands, e-mail: texascavers-h...@texascavers.com