Williams Coal Company. In matter of Williams Coal Company and United Mine Workers of America, District No. 23, affiliated with C. I. O., and Progressive Mine Workers of America, District No. 5, affiliated with A. F. of L., party to contract; in matter of [same] and United Mine Workers of America. District No. 23, affiliated with C. I. O., cases nos. C-1411 and R-1608, decided Nov. 13, 1939; decision, order, and direction of election.