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Ch. 1: Gold and Silver in 1922

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GOLD AND SILVER.
605
Mine production of gold and silver in the United States in 1922.
a Revised figures.
These figures show, according to the reports of the mint, a total excess of gold for the 18 years of $12,300,445, or a difference of less about 0.8 per cent, and a total excess of silver of 1,173,705 ounces, or a difference of about 0.1 per cent. The figures for Alaska placers are not considered to be so closely approximate as the total figures for gold, hence the differences for the United States proper are prob­ably even lower. It is thought that those small differences are fully accounted for in the detailed discussions of the subject in previous reports of this series. For any one year an excess of mining over smelting and refining is indicated by larger returns in the mine reports for gold or silver, or both, and an excess of smelting and refin­ing and drawing upon stocks is indicated by larger returns in the report of the mint.
UNITS OF MEASUREMENT.
In the measurement of ores and concentrates the short ton of 2,000 pounds is used throughout. The price of gold is fixed by law at $20.67+ per fine ounce. The annual average prices for silver from 1865 to 1922 are given on page 597.
Ch. 1: Gold and Silver in 1922 Page of 54 Ch. 1: Gold and Silver in 1922
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US Geol. Surv. 1922. Gemstones, Metals.
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