ðə mˈaɪn klˈoʊzd, bˌʌt ɹɪˈoʊpənd ɪn nˈaɪntiːnhˈʌndɹɪd twˈɛnti θɹˈiː ænd kəntˈɪnjuːd ɪn pɹədˈʌkʃən ʌntˈɪl nˈaɪntiːnhˈʌndɹɪd fˈɪfti sˈɛvən wɛn ɐ hˈaɪdɹoʊᵻlˈɛktɹɪk skˈiːm ᵻlˈɪmᵻnˌeɪɾᵻd ðə nˈiːd fɚðə kˈoʊl.
The mine closed, but reopened in 1923 and continued in production until 1957 when a hydro-electric scheme eliminated the need for the coal.