dˈʊɹɹɪŋ kənstɹˈʌkʃən, ɪɾ ɪz bᵻlˈiːvd ðæt ˌɔltɚɹˈeɪʃənz wɜː mˌeɪd tə ðə mˈɪlz hˈaɪt ænd dɪzˈaɪn wˌɪtʃ pɹˈɑːbəbli kˈɔːzd ɪts kənstɹˈʌkʃən tə spˈæn θɹˈiː jˈɪɹz.
During construction, it is believed that alterations were made to the mill’s height and design which probably caused its construction to span three years.