Iowa Poultry Producers Marketing Association. In matter of Iowa Poultry Producers Marketing Association and United Packing House Workers of America, Local Union No. 1 of Packing House Workers Organizing Committee, affiliated with C. I. O. and Amalgamated Meat Cutters and Butcher Workmen of North America, Local Union No. 591, affiliated with A. P. of L., case no. RE-1, decided Jan. 30, 1940; decision and direction of election.