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Ch. 1: Gold and Silver in 1922

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GOLD AND SILVER.                                        633
Quicksilver consumed at mills in certain Western States, 1916-1922.
" Partly estimated.
Quicksilver consumed at mills in Colorado in 1922 amounted to 4,711 pounds, in New Mexico to 270 pounds, and in South Dakota to 7,500 pounds.
Dredges in California used about 7,000 pounds of quicksilver in 1922. The quicksilver used by other placers and at deep mines is estimated at 4,000 pounds, making a total of 11,000 pounds for California.
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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