ɹˈɛkɚdz ʃˈoʊ ɐn ˈɛstᵻmˌeɪɾᵻd pɹˈiːwˈɜːld wˈɔːɹ ɹˌoʊmən tˈuː ɡˈoʊld pɹədˈʌkʃən, ɪŋklˈuːdɪŋ ɐlˈuːvɪəl sˈoːɹsᵻz, ʌv ɐbˌaʊt tˈuːhˈʌndɹɪd twˈɛnti,zˈiəɹoʊzˈiəɹoʊ zˈiəɹoʊ ˈaʊnsᵻz ʌv ɡˈoʊld.
Records show an estimated pre-World War II gold production, including alluvial sources, of about 220,000 ounces of gold.