Production of gold by U.S. mines was 18,900 kilograms (607,649 troy
ounces) in February, up from 17,300 kg (556,207 oz) in February 2013,
said the U.S. Geological Survey.
U.S. gold mine output for January and February combined was 39,400 kg (1,266,739 oz), said the USGS. read more
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