ðə tˈaʊnz kˈoʊl wʌz mˈaɪnd fɹʌm ʃˈæfts dˈʌɡ ˌɪntʊ ɐ pˈɜːmiən lˈeɪɚ wɪðˌɪn ðə klˈɪf fˈeɪs ɔːɹ ɪskˈɑːɹpmənt əvə lˈɑːɹdʒ ˈɛks fɹˈiːstˈændɪŋ kəŋɡlˈɑːmɚɹˌeɪt ænd sˈændstoʊn mˈæsɪf ɹˈaɪzɪŋ ˌʌp tə fˈoːɹhˈʌndɹɪd mˈiːɾɚz əbˌʌv ðə tˈaʊnʃɪp.
The town's coal was mined from shafts dug into a Permian layer within the cliff face or escarpment of a large  x  free-standing conglomerate and sandstone massif (rising up to 400 metres above the township).