Joint Council of Teamsters, No. 42 v. National Labor Relations Board, Associated Independent Owner-Operators, Inc., Intervenor. National Labor Relations Board v. Building Material and Dump Truck Drivers, Local 420, Associated Independent Owner-Operators, Inc., Associated General Contractors of California, Inc., California Dump Truck Owners Association, Intervenors. California Dump Truck Owners Association v. National Labor Relations Board, Associated Independent Owner-Operators, Inc., Intervenor

702 F.2d 168 109 L.R.R.M. (BNA) 2181 , 113 L.R.R.M. (BNA) 2252 , 92 Lab.Cas. P 13,178 , 93 Lab.Cas. P 13,382 JOINT COUNCIL OF TEAMSTERS, NO. 42, et al., Petitioners, v. NATIONAL LABOR RELATIONS BOARD, Respondent. Associated Independent Owner-Operators, Inc., Intervenor. NATIONAL LABOR RELATIONS BOARD, Petitioner, v. BUILDING MATERIAL AND DUMP TRUCK DRIVERS, LOCAL 420, et al., Respondents. Associated Independent Owner-Operators, Inc., Associated General Contractors of California, Inc., California Dump Truck Owners Association, Intervenors. CALIFORNIA DUMP TRUCK OWNERS ASSOCIATION, Petitioner, v. NATIONAL LABOR RELATIONS BOARD, Respondent. Associated Independent Owner-Operators, Inc., Intervenor. Nos. 80-7455, 80-7456 and 80-7457. United States Court of Appeals, Ninth Circuit. Argued and Submitted Aug. 7, 1981. Decided Dec. 21, 1981. As Amended March 18, 1983. George A. Pappy, Pappy, Kaplon & Vogel, Robert Varde Kuenzel, Latham & Watkins, Los Angeles, Cal., for Dump Truck Drivers and Owners and for Joint Council. David S. Fishback, N.L.R.B., Washington, D.C., argued for N.L.R.B.; Elliott Moore, Washington, D.C., on brief. Petition to Review a Decision of the National Labor…