897 F.2d 221 (7th Cir. 1990) Cited 10 times
Observing that the Board compares pre- and post-merger unions for continuity by looking to the "structure, administration, officers, assets, membership, autonomy, by-laws, size, and territorial jurisdiction, with an eye toward changes in the rights and obligations of the union's leadership and membership, and in the relationships between the putative bargaining agent, its affiliate, and the employer"