that the richest man in the world is Rockefeller, organizer of this company. This proves that oil mining is a most profitable business. China is known to be a very rich oil-bearing country. Oil springs are found in the provinces of Szechuen, Kansu, Sinkiang, and Shensi. How vast is the underground reservoir of oil in China is not yet known. But the already known oil springs have never been worked and made use of, while the import of kerosene, gasoline, and crude oil from abroad is increasing every year. When China is developed as a motoring country, the use of gasoline will be increased a thousand-fold, then the supply from the foreign fields will not be able to meet the demands, as shortage of oil is already felt in Europe and America. The mining of oil in China will soon become a necessity. This enterprise should be taken up by the International Development Organization for the state. Production on a large scale should be started at once. Pipe line systems should be installed between oil districts and populous and industrial centers in the interior and also river and sea ports. What amount of capital should be invested in the project will have to be investigated by experts.
PART IV
The Mining of Copper
The copper deposits, like iron ores, are found in great quantities in different places. So the quantity of ores in each mine can be accurately estimated before
