Prospecting Placer Gold Deposits
20/03/2017 · The search for placer gold and the working of the deposits when found have had much to do with the early development of the West, placer mining has been gradually overtaken and surpassed in importance by lodegold mining, until in 1932 less than a quarter of the country's total gold production was from placers or about an eighth, excluding Alaska. In 1932 .