Mineral Resources of the United States, 1914--Part I--Metals . This class contained over cent of lead, as well as a marketable zinc product. An increasedoutput of zinc concentrates was made, and a much greater increase isexpected in 1915. Mine production of gold, silver, copper, lead, and zinc from Idaho concentrates in counties. Ore to concen-tratingmills. Concentrates produced. Totalvalue ofconcen-trates. County. Quan-tity. Gold. Silver. Copper. Lead. Zinc(spelter). Short ,646 Short tons. 1,353 257 81 5 3 2,144 7 2 5 299,189 Fine oz. .21 27.


Mineral Resources of the United States, 1914--Part I--Metals . This class contained over cent of lead, as well as a marketable zinc product. An increasedoutput of zinc concentrates was made, and a much greater increase isexpected in 1915. Mine production of gold, silver, copper, lead, and zinc from Idaho concentrates in counties. Ore to concen-tratingmills. Concentrates produced. Totalvalue ofconcen-trates. County. Quan-tity. Gold. Silver. Copper. Lead. Zinc(spelter). Short ,646 Short tons. 1,353 257 81 5 3 2,144 7 2 5 299,189 Fine oz. .21 2, Fine oz. 42,292 2,085 1,32~» 5,031 120 9,948 36 15 2,916 8,781,540 ,495 ,675 ,264 $65,516 324 40 121,914 5,497 3,937 Elmore 1,066 6,270 4,110 78197 2,3il, 808 97,806596 Idaho Lemhi 57 2,134 Shoshone 2,054,121 3,234,374 262,831,540 34,450,175 17,338,608 Total 2,066,361 303,046 3, 8,845,309 3,242,294 265,709,937 17,532,115 By kinds of concentrates. Dry or siliceous. Copper Lead Zinc Lead-zinc. 264,108,786 107,288:30,369,3311,493,863 4,557,108 $24,632 375,146 15,242,847 1,564,914 324,576 -IDAHO. 601 By ascertaining the average content of each kind of concentrate,it will be seen that the mills are making a better product each is especially true of lead concentrates and of zinc concentrates. Kind of concentrate and average metallic content of each kind produced in Idaho in 1911-191Jh Kind and source ofconcentrates. Concen-trate. Average metallic content. Average Gold. Silver. Copper. Lead. Zinc(spelter). valueper ton. Dry or siliceous: Gold and silver mills— 1911 Short 793 157 1 8425,4825,031 8 209,060212,512233,113251, 714 12,19818,57330,31139,492 6,532 Value per ton. $ .41 . . Fine oz. per ton. Per cent. .39 .08 .01 . Per cent. 3.


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Keywords: ., bookcentury1900, bookdecade1910, bookidmineralresou, bookyear1916