NATURAL GAS. 
23 
cubic feet each year in 1910 to 153 M cubic feet each year in 1917. 
The demands for West Virginia natural gas are emphasized else- 
where. 
NATURAL GAS SERVICE IS BASED ON A NONCREATABLE AND NONREGENERATIVE MINERAL. 
The natural gas business is unique in that it is the only public 
utility service that does not, and in fact can not, create the basis 
feature of the service that it renders to the public. Manufactured 
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FIG. 6. USE OF WEST VIRGINIA NATURAL GAS FOR STEEL MAKING., BY 
UNITED STATES STEEL CORPORATION. 
gas companies merely produce their gas from the raw fuel that they 
can buy in the open market; transportation agencies, like railroads 
or street railways, can easily create the motive source of their service ; 
water utilities have their water supply constantly replenished by 
nature; intelligence transmission utilities, like the telephone and 
telegraph, can easily create the primary source of their service. 
However, the natural gas industry is alone in depending entirely on 
