mˈoːɹ mˈaɪnz wɜːɹ ˈoʊpənd ɪnðɪ ˈɜːli nˈaɪntiːnhˈʌndɹɪd z, səplˈæntɪŋ ðoʊz ˈoʊldɚ pˈɪts æt nˈuːkæsəl wˌɛɹ ðɪ ɔːstɹˈeɪliən ˌæɡɹɪkˈʌltʃɚɹəl kˈʌmpəni ɛndʒˈɔɪd ˈɔːlmoʊst ɐ mənˈɑːpəli.
More mines were opened in the early 1900s, supplanting those older pits at Newcastle where the Australian Agricultural Company enjoyed almost a monopoly.