dɪvˈɛləpmənt slˈoʊd, dɹˈaʊt dɹˈoʊv fˈɑːɹmɚz fɹʌm ðɛɹ fˈɑːɹmz ænd kˈoʊl mˈaɪnɪŋ ɹˈæpɪdli dᵻklˈaɪnd fɹʌm ɪts pˈiːk bᵻfˌoːɹ nˈaɪntiːnhˈʌndɹɪd twˈɛnti.
Development slowed, drought drove farmers from their farms and coal mining rapidly declined from its peak before 1920.