8 BULLETIN 131, UNITED STATES NATIONAL MUSEUM 



1917 



Gold, fine ounces, 41,326 $826, 520. 00 



Silver, fine ounces, 12,496,017 10, 173,000.00 



Lead, pounds, 395,883,000 34, 758, 506. 00 



Zinc, pounds, 96,123,000 8, 555, 947. 00 



Copper, pounds, 7,282,000 1, 979, 247. 00 



Total value 56,292,210.00 



1918 



Gold, fine ounces, 36,307.83 750,482.83 



Silver, fine ounces, 9,572,214 8,709,988.63 



Lead, pounds, 290,848,425 22, 368, 310. 50 



Zinc, pounds, 51,691,000 4, 212, 816. 50 



Copper, pounds, 5,240,400 1, 278, 483. 78 



Total value 37, 320. 082. 43 



Total value of all metals for 21 years since State records were 



kept 465, 513, 764. 43 



Total value of all metals for preceding 38 years (estimated) 381, 315, 312. 00 



Grand total from discovery to end of 1918 846, 829, 076. 43 



METAL PRODUCTION FOR 1918 BY COUNTIES 



The following table gives some idea of the relative importance of 

 the several counties of the State in their contributions to the total 

 value of the metal production: 



Ada County 



Gold, fine ounces, 343.74 $7, 105. 10 



Silver, fine ounces, 406.65 393. 51 



Total value 7,498.61 



Adams County 



Gold, fine ounces, 28.45 588. 06 



Silver, fine ounces, 770 745. 13 



Copper, pounds, 30,000 7, 386. 00 



Total value 8,719. 19 



Blaine County 



Gold, fine ounces, 898.40 18, 569. 92 



Silver, fine ounces, 261,000 252, 569. 70 



Lead, pounds, 2,725,000 201, 922. 50 



Zinc, pounds, 2,035,000 165, 852. 50 



Total value 638, 914. 62 



Boise County 



Gold, fine ounces, 10,810 223, 442. 70 



Silver, fine ounces, 24,682 23, 884. 77 



Total value 247, 327. 47 



