Pre-PIE as a PIE substrate?

[JoatSimeon at aol.com]

In a message dated 11/2/00 5:23:22 PM Mountain Standard Time,
rmccalli at sunmuw1.MUW.Edu writes:

<< I saw somewhere, maybe on the web? (and possibly unreliable)
 that Elamite was spoken in SW Iran until the 10th c. AD or so

-- I think that may have been 10th century BCE?