NOSTRATIC

http://v-stetsyuk.name/files/VStecuk/Mapy/CaucasusBestV.gif

I am no sure that the autor proposal for initial position of nostratic branches are corect. But in fact doesnt matter too much as long they are close to each-other.
http://www.google.com/imgres?imgurl=http://www.armenianhighland.com/images/nkarner/nkar_4584.jpg&imgrefurl=http://amedeoamendola.xanga.com/547121078/58-oldest-caucasian-civilization/&usg=__6NmyLW_bM6OIdunbx5vUzBiL_ck=&h=268&w=415&sz=60&hl=en&start=2&sig2=_A7xa4LS6W6MCOP8iqMl6Q&zoom=1&tbnid=BNOWGc-2TEIQPM:&tbnh=81&tbnw=125&ei=OF6OTaLgFc_Rsgbz45CGCg&prev=/search%3Fq%3Dnostratic%2Bspreading%26um%3D1%26hl%3Den%26sa%3DG%26biw%3D1024%26bih%3D641%26tbm%3Disch&um=1&itbs=1