Page 50 - califmining1924

48 MIXERAI. INDISTHY OF CALIFORNIA.

The figures since 1904 are those prepared by the U. S. Geological
Survey :

Year Value Year Value

184S $245,:,301 , 1887 S13,5SS,614
1&49 ." 10,151,,360 I 1888 12,750.000
1S50 41,273, ,106 1 1889 ! 11.212,913
1851 ..] 75,938,:,232 ■ 1890 ; 12,309,793
1852 I 81,294; .700 ! 1891 ; 12,728.869
1853 ' 67,613. 487 ■ 1892 12,571.900
1854 69,433,' 931 1893 12,422,811
1855 55,485,:,395 1894 ' 13,923.281
1856 57,509,-,411 1895 15.334.317
1857 43,628, ,172 1896 17.181..562
1858 46,591,,140 1897 15.871.401
1
1859 45,846,.,599 ' 1898... 15,906,478
1860 44,095, ,163 , 1899 15,336,031
1861.. I 41,884,!,995 1900 15,863,355
1S62 ' 38,854,(,668 ! 1901 16,989,044
1863 ' 23,501, .736 ( 1902 16,910.320
1864 24,071,,423 1903 16.471.264
1865 17,930,1 ,858 1904 ' 19.109.600
I
1866 17,123,i,867 1905 19,197.043
1867... 18,265,,452 1906 18,732,452
1868 I 17.555,:,867 1907 16,727.928
1869 18,229,1,044 1908 18,761.559
1870 ' 17,458,,133 1909 20,237,870
1871 17,47; ,885 1910 19.715,440
1872 i 15,482,,194 , 1911 19,738.908
1873 15,019,:,210 ' 1912 19,713.478
1874 ! 17,264,;,836 1913 20,406.958
1875 16.876,(,009 1914. 20,653.496
1876 15,610,:,723 1915 : 22.442,296
1877. I 16,501,,268 1916 .- i 21,410,741
1878 18,839,,141 1917 20,087,504
1879 19,626,1 ,654 1918 16,529,162
1880 20.030,' .761 1919 16,695,955
1881 19.223,,155 1920 14,311,043
1882 17,146,.416 1921 15.704,822
1883 24,316.: .873 1922 . 14.670.346
1884 13,600,(,000 1923 13.379,013
j
1885 12,661,1 .044 , 1924 1 13.150.175
1886 14,716,; ,506 1
Total value $1,777,122,457
IRIDIUM (see under Platinum).
IRON ORE.
Biblioc/raphi/: State ^Mineraloirist Reuorts II. IV. V. X. XII-XV
fine.^ . XVII. XVIII. XXI. Bulletins 38. 67. 91. Am. Inst. Min.
Ens.. Trans. LIII. Min. & Sci. Press, Vol. 115. pp. 112. 117-122 ;
Vol. 123. pp. 94-96, 113-114.

A small tonnage of iron ore wa.s produced in California during the
year 1924. and utilized for foundry flu.x and in steel refining at open-
hearth plants. As there was ojily a single operator, the figures are
concealed under the 'unappcitioned" total. There is also some tonnage
utilized in the manufacture of paint pigment, and wliit-h is credited to
'mineral paint' in these statistical reports.
There are considerable deposits of iron ore known in California,
notably in Shasta, ^Madera. Placer, River.side and San Bernardino
counties, but production has so far been limited for lack of an economic