164 SELLING LATIN AMERICA 
The production of petroleum is rapidly in 
creasing, in 1912 over 17,000,000 barrels be 
ing the output from the wells. 
Mexico has been dependent upon Europe 
and the United States for her coal supply, her 
yearly requirements being about 5,000,000 tons 
of which she produced from local mines al 
most 1,000,000 tons. There are, however, 
enormous deposits of this commodity and un 
der proper development Mexico could sup 
ply her own needs in this line as well as be 
come an exporter. 
The local industries comprise paper mills, 
cotton-mills, cigarette factories, woolen-mills, 
breweries, sugar refineries, shoe, furniture and 
match factories. They produce only suf 
ficient for home consumption. 
Mexico exported goods to the value of 
$150,202,808 in 1913, while during the same 
period her imports reached the sum of $97,- 
886,169, the United States buying and selling 
the greater portion thereof. 
The following table shows the relative