OIL AND GAS 



493 



another such inconspicuous "supergiant" does not 

 lie beneath the Blake Plateau, or someplace else 

 within the territorial limits of the United States? 

 Although it is extremely difficult to envision cir- 

 cumstances which would make the United States 

 ever again economically self-sufficient in oil and gas 

 (see fig. 61), until we knoiv that the last accumu- 

 lation is discovered, should we trust the estimates 

 of future producible oil, no matter how elegantly 

 prepared or firmly stated? To discover petroleum 

 and new petroleum provinces requires an open mind, 

 a desire to explore, a positive and adventurous atti- 

 tude, a gambling spirit, and a will to win. Last but 

 far from least, although only the drill bit can finally 

 prove the presence of oil, "oil must be sought first 

 of all in our minds" (Pratt, 1942, p. 49). 



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