Your search International Union, Progressive Mine Workers of America, and Local No. 403 Progressive Mine Workers of America, Petitioners, v. National Labor Relations Board, Respondent.center Point Block Coal Corporation, an Indiana Corporation, Petitioner, v. National Labor Relations Board, Respondent.national Labor Relations Board, Petitioner, v. Quality Coal Corporation, Brazil Block Coal and Clay Co., Inc., and Carl F. Kumpf, Respondents did not match any document.