In 1918 the estimated total production of gold in the world decreased
nearly $38,500,000, following a decrease of about $35,000,000 in 1917.
The production of the United States decreased $15,000,000; Canada,
$585,000; Africa, $17,200,000; Australasia, $5,100,000; and Russia,
$6,000,000.
The production of Mexico increased about $7,800,000 in 1918 and there was also a small increase in Central America.
A
valuable paper on "Gold and silver deposits in North and South America"
was read by Waldemar Lindgren at the Second Pan American Scientific
Congress and has been republished in the Transactions of the American
Institute of Mining Engineers, volume 55, pages 883-909, 1917.
In the following table is shown the output of gold, by countries, as given by the Bureau of the Mint:
World's production of gold, 1907-1918.