Sweet Vengeance Mine
... that the Sweet Vengeance Mine was owned and operated by Black miners during the California Gold Rush?
... that the <b id="mwAZ4"><a href="./Sweet_Vengeance_Mine" id="mwAZ8" rel="mw:WikiLink" title="Sweet Vengeance Mine">Sweet Vengeance Mine</a></b> was owned and operated by Black miners during the California Gold Rush?