ɪnðə nˈaɪntiːnhˈʌndɹɪd fˈɪfti z, ɐ sɪɡnˈɪfɪkənt nˈʌmbɚɹ ʌv ɐmˈɛɹɪkən jʊɹɹˈeɪniəm mˈaɪnɚz wɜː nˈɑːvəhˌoʊ, æz mˈɛni jʊɹɹˈeɪniəm dᵻpˈɑːzɪts wɜː dɪskˈʌvɚd ˌɔn nˈɑːvəhˌoʊ ɹˌɛzɚvˈeɪʃənz.
In the 1950s, a significant number of American uranium miners were Navajo, as many uranium deposits were discovered on Navajo reservations.