Labor. Denver NLRB receives 3 complaints against Denver Bldg. & Trades Bd. Post March 22, 1950 p.17 Union can strike after 60 days notice. Post April 1,5, 1950 p.3 Joseph C. Wells resigns as Asso. Counsel of NLRB. Post June 1, 1950 p.7 McKesson & Robbins censured by NLRB on union charges. Post Aug. 4, 1950 P 3 Rules 2-1 against Denver Post in labor case. Post Aug. 11, 1950 P 3 Post appeals. Post Aug. 22, 1950 p.ll George J. Bett appointed general counsel. Post Sept. 29, 1950 p.12 national labor relations board