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Ch. 1: Gold and Silver in 1907

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112                                          MINERAL RESOURCES.
The figures in this table are the result of conference and adjust­ment between the Bureau of the Mint and the Geological Survey, and are accepted as final by the two bureaus. The basis for this table are data collected by the Bureau of the Mint of bullion deposits in the United States mints and assay offices and by state­ments from the smelting and refining establishments; the distri­bution by States is, moreover, checked and verified by the data col­lected by the Geological Survey directly from the producing mines. The table is derived from three items: (1) The unrefined domestic gold and silver deposited in the United States mints and assay offices: (2) the domestic gold and silver in fine bars reported by the private refineries; (3) the unrefined domestic gold and silver contained in ores, copper matte, etc., exported for reduction. The last is an item of small relative importance.
The gains and losses in the production of the various States and Territories, compared with the production of 1906, are shown in the following table:
Increase (+) or decrease (—) in production of precious metals in the United States in 1907, by Stales and Territories, in fine ounces.
The total production of gold in 1907 was 4,374,827 fine ounces, valued at $90,435,700. This is a decrease compared with the pro­duction of 1906 of 190,506 fine ounces, corresponding to $3,938,100. Out of 22 States and Territories contributing to the total gold output 12 showed decreases in production in 1907. The greatest losses were shown by Alaska, $2,875,700; South Dakota, $2,466,700; Colorado, $2,036,800; California, $1,979,400; and Montana, $1,049,400. In no other case did the loss reach $100,000. Ten States and Territories increased their production of gold in 1907. The only one of these which is of great importance is Nevada, in which State the increase
Ch. 1: Gold and Silver in 1907 Page of 76 Ch. 1: Gold and Silver in 1907
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US Geol. Surv. 1907. Gemstones, Metals.
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