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United States 11 partment of il`abor <br />triurunl of Apprenticeship and ariinin`l <br />PIPEFITTERS ASSOCIATION U.A. LOCAL. #597 J,A.C. <br />CHICAGO, ILLINOIS <br />FOR THE TRADE OF <br />� / PIPEFITTERR <br />,.1/dFC/.rrirr.��/r�rrt�%/�icinri�cl <br />r/llml fr ���c/w�,l/ ✓ �tc:,f// rz �n� tfzafv <br />CJIIF�1f;11dGPfA% �'�f�".���i.J�f,�P�CG91�',,P <br />FEBRUARY 5, 1951 <br />REVISED � _ APRN U MR <br />mm <br />�IIl�toirQ111'f:� <br />$ECAETM. OF UBOB <br />MBBCRiM. BU�aU Oi.APN1ENTICE$WVP •NO TpRIMMi <br />