00579nam a22001937a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093100001900102245009100121260005200212300001900264490004300283650001600326830004300342CHAP20220329134233.0971013s1913 r 00010 d a17417 a18389 a22474 cCHAP00aHuntley, L. G. aPossible causes of the decline of oil wells, and suggested methods of prolonging yield aWashington :bGovernment Printing Office,c1913 a32 p.b: ilus. aBureau of Mines. Technical paperv; 5114aPetróleo.0 aBureau of Mines. Technical paperv; 51