ðə hˈɛviɪst ænd mˈoʊst bɹˈɔːdli ɛɡzˈɪbɪɾᵻd mˈɪdəl ɐwˈɑːʃ lˈeɪɚz ɑːɹ plɪˈoʊsiːn dᵻpˈɑːzɪts, wˌɪtʃ kɹˈɑːp ˈaʊt ˈiːst ænd wˈɛst ʌvðə kˈɜːɹənt ɹˈɪvɚ.
The heaviest and most broadly exhibited Middle Awash layers are Pliocene deposits, which crop out east and west of the current river.