Show CHARGE CONSPIRACY AGAINST UNIONS BAN FRANCISCO. Aug. IBevela-Uop IBevela-Uop of a serious situation In the building build-ing trades industry here -in- mad.- In laSSn f"ed by thc aepartincnt of UHtlce bureau of investigation and tSSfW bY hlm to Washington United Mates District Attorney John T Williams announced today. Tho report was made In connection with recent allegations that bulldins contractors who employed union workmen work-men were blng refuaed mutcrlals by supply housefl. Williams said th.- document docu-ment was the result of months of secret se-cret work and was replete with Instances In-stances of alleged discrimination In violation of federal laws against con-Bplraoy con-Bplraoy and unlawful combinations. He declined to make It public here |