1917 the estimated total production of gold in the world decreased more
than $30,000,000. The production of the United States decreased nearly
$9,000,000, Canada $4,000,000, Africa $8,000,000, Australasia
$1,500,000, and Russia $4,500,000.
high-water mark of silver output was reached in 1911, when Mexico,
Canada, and Australasia were all producing at or near the maximum.
Increased output from the United States has not offset large falling
off in the above-named countries, especially Mexico, in the last six
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, 1904-1917.