Canada.—The recoveries of platinum at the works of the International Nickel Company in New Jersey for the years 1910–1912 were 258,666 and 497 oz. respectively, chiefly from Canadian matte.
Russia.—The actual productions of platinum as quoted in Mineral Industry in oz. were: 1910, 300,000; 1911, 280,000; 1912, 300,000; 1913, 275,000; 1914, 240,000; 1915, 124,000; 1916, 90,000; 1917, 50,000.
[C]. U.S.A. Mineral Resources, 1917, Geol. Surv.
[D]. Estimates not available.
[E]. Records of Geol. Survey, India.
[F]. Mineral Production, Mines Dept., Canada. Figures are for alluvial production only, and far below actual production figures, not including Ontario production from nickel matte, for which only incomplete information is available. [See p. [25].]
[G]. Mining Journal, November 30, 1918, p. 700, and Mineral Industry.
[H]. Mines and Quarries Reports, Home Office.
[I]. Annual Rept. Dept. of Mines.
[J]. Mineral Industry. These are official figures for production; actual production is much greater than these.