æt ðə tˈaɪm, lˈɛθbɹɪdʒ ˈɛɹiə kˈɑːlɪɚɹiz wɜː ðə lˈɑːɹdʒɪst kˈoʊl pɹədˈuːsɚz ɪnðə nɔːɹθwˈɛst tˈɛɹɪtˌoːɹiz.
At the time, Lethbridge area collieries were the largest coal producers in the Northwest Territories.