561 F.2d 1021
95 L.R.R.M. (BNA) 3010, 183 U.S.App.D.C. 128,
81 Lab.Cas. P 13,305
International Union of Operating Engineers Local #400, AFL-CIO
v.
N. L. R. B.
No. 76-1669
United States Court of Appeals, District of Columbia Circuit
6/8/77
1
N.L.R.B.
AFFIRMED