28 June, 2019 - ABC News by By Beth Gibson and Sian GardMost of Victoria's gold remains underground, considered too deep for the 19th century diggers to reach. But now many companies are starting to tap into this resource.It is believed 80 million ounces of gold still remains underground in regional Victoria.To read the story in full: Victorian gold rush revival digs in as surging price, investment in deeper mines sees production double