Miller Abattoir Company. In matter of Miller Abattoir Company and Packing House Workers Union, Local No. 5, A. F. of L.; in matter of [same] and Packing House Workers Union, Local 5, affiliated with Amalgamated Meat Cutters & Butcher Workmen of North America, cases nos. C-1125 and R-1131; amendment to supplemental direction of election, June 21, 1940.