Mineral Resources of the United States, 1917--Part I--Metals . 9 per cent from placers. In 1916 these proportions were 27per cent and 73 per cent, The worlds production of tin in 1916 is shown in Plate I. Thelocations of the centers of production in the countries enumeratedin the table are given, except that in the illustration the outputs ofthe Federated Malay States, of the British Protected Malay States,and of Siam (all of which comes from the Siamese Malay States)have been added together and accredited to Malaya. i Federated Malay States Mines Dept. Repts. for 1914,1915, and
Mineral Resources of the United States, 1917--Part I--Metals . 9 per cent from placers. In 1916 these proportions were 27per cent and 73 per cent, The worlds production of tin in 1916 is shown in Plate I. Thelocations of the centers of production in the countries enumeratedin the table are given, except that in the illustration the outputs ofthe Federated Malay States, of the British Protected Malay States,and of Siam (all of which comes from the Siamese Malay States)have been added together and accredited to Malaya. i Federated Malay States Mines Dept. Repts. for 1914,1915, and 1916. 2 Mining Jour. (London), vol. 119, p. 780, 1917. 3 Federated Malay States Mines Dept. Rept, for 1915, pp. 11, 12, 13, 1916. * The official figures for the lode output of the Federated Malay States, which were not available to thewriter in 1917, have allowed him to refine the rough estimate given in the chapter on tin in 1916 (U. S. Mineral Resources, 1916, pt. 1, p. 620,1917). J. S. GEOLOGICAL SURVEY MINERAL RESOURCES, 1917, PART I PLATE I. 95186°—M E 1917, ft 1. (To faco page 70.) MAP SHOWING WORLDS OUTPUT OF TIN IN 1916, IN SHORT pruduciit- less than 1,(100 (miis yearly are shown by crosses. TIN. 71 In 1917 almost exactly 50 per cent of the worlds output of tinwas produced within the British Empire. PUBLICATIONS. The following list includes the more recent publications relating totin deposits in the United States. The Survey publications, exceptthose to which a price is affixed, may be obtained free by applyingto the Director, United States Geological Survey, Washington, D. priced publications may be purchased from the Superintendentof Documents, Washington, D. C. Those marked Exhausted andthe other publications can be consulted at the large public or uni-versity libraries of the country. Collier, A. J., Tin ore at Spokane, Wash.: IT. S. Geol. Survey Bull. 340, pp. 295-305, 1908. 30c. The tin ore is cassiterite, which is apparently a
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