204 VALUATION, DEPRECIATION AND THE RATE-BASE 
TABLE 18. ZINC IN THE UNITED STATES 
ANNUAL PRODUCTION 
(Based on smelter returns and prices at St. Louis) 
(1880-1914) 
Annual production. 
Year. = En. ts Tegel 
Pounds. Total value. 
1880 46,478,000 $ 2,277,432 0.1 $o0.055 
1881 53,600,000 2,680,000 9.3 0.052 
1882 67,530,000 3,646,620 iT.x 0.053 
1883 73,744,000 3,311,100 15.2 0.045 
1884 77,088,000 3,422,707 11.8 0.044 
1885 81,376,000 3,539,856 12.4 0.043 
1886 85,282,000 3,752,408 1257 0.044 
1887 100,680,000 4,782,300 14.7 0.046 
1888 111,806,000 5,500,855 13.3 0.049 
1889 117,720,000 5,791,824 15.7 0.05 
1890 127,366,000 6,266,407 16.4 0.055 
1891 161,746,000 8,033,700 19.9 0.05 
1892 174,520,000 8,027,920 20.8 0.046 
1893 157,664,000 6,306,560 18.7 0.04 
1894 150,656,000 5,288,026 17.8 0.035 
1895 179,372,000 6,278,020 19.4 0.036 
1896 162,998,000 6,519,920 17.4 0.039 
1897 199,960,000 8,498,300 20.4 0.041 
1898 230,798,000 10,385,910 22.3 0.046 
1899 258,102,000 14,840,865 23.9 0.058 
1900 247,772,000 10,654,196 ass 0.044 
I90I 281,644,000 11,265,760 25.0 0.041 
1902 313,354,000 14,625,596 26.0 0.048 
1903 318,438,000 16,717,995 25.2 0.054 
1904 373,404,000 18,670,200 26.9 0.051 
1905 407,698,000 24,054,182 28.0 0.059 
1906 399,388,000 24,362,668 2517 0.061 
1907 447,490,000 26,401,910 27.5 0.059 
1908 381,498,000 17,930,406 23.9 0.047 
1909 460,450,000 24,864,300 27.0 0.054 
1910 504,958,000 27,267,732 27.6 0.054 
1911 543,242,000 30,964,794 27.6 0.057 
1912 647,814,000 44,699,166 30.3 0.069 
1913 674,504,000 37,772,224 30.8 0.056 
1014 686,836,000 35,028,636 RC ER WTR 0.051