FWIW: Long ago, my Latin Am history prof noted to us that even by that time, before the writing was deciphered, that four population peaks had been discerned just from the dating of the then-known ruins.
FWIW: Long ago, my Latin Am history prof noted to us that even by that time, before the writing was deciphered, that four population peaks had been discerned just from the dating of the then-known ruins.
They are still there....................
