ðə stɹˈʌktʃɚ wʌz kəmplˈiːɾᵻd ˌɔn dᵻsˈɛmbɚ θˈɜːtiːn, nˈaɪntiːnhˈʌndɹɪd sˈɪksti fˈaɪv, lˈiːdɪŋ tə ðə kɹiːˈeɪʃən ʌvðɪ ˈælɪɡhˌɛni ɹˈɛzɚvwˌɑːɹ.
The structure was completed on December 13, 1965, leading to the creation of the Allegheny Reservoir.