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Distribution of gold and silver produced in 1917, by States-Continued.

[blocks in formation]

Short tons. Fine ounces. Fine ounces. Short tons. Fine ounces. Fine ounces.

[blocks in formation]

mills.

3 Gold and silver from 22,709 tons of old tailings, cyanided included, under recoveries at gold and silver Gold and silver from 9,862 tons of old tailings, cyanided included, under recoveries at gold and silver mills.

Distribution of gold and silver produced in 1918, by States.1

[blocks in formation]

Exclusive of small quantity of silver from copper ores in Michigan and Missouri and from lead ores in Illinois and Missouri, and of gold and silver from the Phillippine Islands and Porto Rico. Copper, zinc, and zinc-lead ores containing no silver excluded.

Distribution of gold and silver produced in 1918, by States-Continued.

[blocks in formation]

Alaska..

1C6, 003

Arizona

3,845, 332

5,407 101, 166

California.

276, 717 5,372, 505

448, 523

21,859

982,619

Colorado.

Idaho..

414, 177

[blocks in formation]

186,551

[blocks in formation]
[blocks in formation]

40, 070

Short tons. Fine ounces. Fine ounces. Short tons. Fine ounces. Fine ounces.

[blocks in formation]

2,771, 937

1208, 318

623, 828

25, 440

[blocks in formation]

12,681
504

4 435, 215

127, 622

3,888

25,013

Oregon..

308, 304

4,411

570

2,588

18

South Dakota..

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[blocks in formation]
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4 Gold and silver from 21,575 tons of old tailings cyanided, included under recoveries at gold and silver mills. Includes 587,702 tons of old tailings and ore leached.

Gold and silver from 232,053 tons of old tailings cyanided, included under recoveries at gold and silver mills. • Includes 282,894 tons of ore leached.

Distribution of gold and silver produced in 1919, by States.1

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1 Exclusive of silver from copper ores in Michigan and Missouri and from lead ores in Illinois and Missouri and of gold and silver from the Philippine Islands.

2 Included under concentrates.

Distribution of gold and silver produced in 1919, by States-Continued.

[blocks in formation]
[blocks in formation]

Short tons. Fine ounces. Fine ounces. Short tons. Fine ounces. Fine ounces.

2,334, 410

California.

Colorado..

Idaho...

[blocks in formation]

112, 247

6,713

[blocks in formation]

284, 409

3,888

45, 338

92,159 44,677

3,384, 877

79,399

Montana..

Nevada.

New Mexico.

Oregon...

3,020

1,599, 474

[blocks in formation]

294, 268

(2)

31,652

3,006, 765

694, 849

210, 612

27, 446

962, 755

37,972

1,316
313

93, 888

8,832

163, 038 16, 434

336, 322

[blocks in formation]

South Dakota.

19, 880

[blocks in formation]

247

Texas..

2,386

1,615

43

1

Utah.

2,420

[blocks in formation]

Washington..

[blocks in formation]

Wyoming.

30, 818

11,993

1,827

141, 518

583,597

796

2

150

Eastern or Appalachian States3

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[blocks in formation]

Distribution of gold and silver produced in 1920, by States.1

[blocks in formation]

Exclusive of small quantity of silver from copper ores in Michigan and Missouri and from lead ores in

Illinois and Missouri, and of gold and silver from the Philippine Islands.

* Includes recoveries from 5,489 tons of old tailings.

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Distribution of gold and silver produced in 1920, by States—Continued.

[blocks in formation]

Short tons. Fine ounces. Fine ounces. Short tons. Fine ounces. Fine ounces.

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Distribution of gold and silver produced in the United States in 1921, by States.1

[Source: U. S. Geological Survey.]

4, 201, 825

6,786

1,284,408

23, 739, 621

2,691, 984

8,565

900, 492

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ian States.

Total, 1921.

565,692 1,235

166

23

102,517

8,897

13 21,865

Total, 1920.

Crude ore to smelters.

State or Territory.

20, 403,857 7,071,647 1,276,940 7,458,543 9,350,671

974,551 245, 152 14, 278, 976

43,738, 191 6,951,460 1,214,711 7,733, 818 28,016, 224 3,182,704 324,958 21,516,930

Ore leached and old slag and tailings treated.

[blocks in formation]

1 Exclusive of small quantity of silver from copper ores in Michigan and Missouri, from lead ores and fluorspar-lead ores in Illinois and Missouri, and siliceous ores from the Philippine Islands.

Includes recoveries from 10,260 tons of old tailings.

Includes recoveries from 10,621 tons of old tailings.

Includes recoveries from 45,704 tons of old tailings.

4. ORE PRODUCED IN THE UNITED STATES AND AVERAGE EXTRACTION VALUE OF GOLD AND SILVER PER TON.

Ore produced in the United States and average extraction value of gold and silver per ton, 1906-1921.1

[Computed and compiled for the commission by J. P. Dunlop, U. S. Geological Survey.]

[blocks in formation]

1 Philippine Islands, Illinois, and Missouri excluded; crude ore containing gold and silver not known

(small).

51142-23-Serial 3- 4

65, 940

1,261, 114

0.2

3.0

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