316 



The National Geographic Magazine 



are only equaled in area by those of 

 China, which must remain undeveloped 

 until transportation facilities make their 

 supplies available. 



No. 19. 



-COAL PRODUCTION 

 WORLD, 1S70-1901 



OF THE 



This diagram shows the growth in 

 coal production of the world from 1870 

 to 1 90 1. The first pair of lines shows 

 the production of Germany in 1870 and 

 1901 respectively, the second pair the 



No. 20— PIG-IRON PRODUCTION OF THE 

 UNITED STATES COMPARED WITH 

 THAT OF THE UNITED KINGDOM 

 AND GERMANY 



An equally important factor in manu- 

 facturing is the supply of iron and steel. 

 I have already told you that the United 

 States produces one- third of the coal 

 of the world, and I may now add that 

 she produces 30 per cent, or nearly one- 

 third, of the iron ore of the world. Of 

 iron and steel, as of coal, the three great 

 producing nations of the world are the 



RELATIVE GROWTH IN COAL PRODUCTION IN GERMANY, THE UNITED KINGDOM, 

 THE UNITED 5TATES AND ALL OTHER COUNTRIES. 

 1870- 1101. 



PRODUCTION IN 1870'* 1101. 



(iN MILLIONS OF TONS) 



INCREASE FROM 1870 TO 1101. 

 (in millions of ions) 



UNITED 

 STATES 



ALL 



OTHER 



COUNTRIES 



UHlTtO 



UNITED 



AU 



KINGDOM 



STATES 



OTHER 

 COlfNTRIES 



DIAGRAM NO. 19 



United Kingdom, the third pair the 

 United States, and the fourth pair the 

 remainder of the world. In the second 

 group of lines is shown the increase in 

 production from 1870 to 1901 in Ger- 

 many, the United Kingdom, the United 

 States, and the remainder of the world. 

 It will be seen that the gain of the 

 United States in that time was equal to 

 that of Germany and the United King- 

 dom combined. 



United States, the United Kingdom, 

 and Germany. This diagram shows 

 the growth of pig-iron production in 

 the United States, United Kingdom, 

 and Germany since 1877. It will be 

 seen that the United States and Ger- 

 many started abreast in 1877, far below 

 the United Kingdom, and that in 1901 

 the United Kingdom and Germany were 

 about equal, but with the United States 

 so far above them that her output was 



