Recherche dans la collection - PRONTO URANIUM MINES LTD VS ; ONTARIO LABOUR RELATIONS BOARD, ; AM BRUNSKILL AND UNITED STEEL WORKERS OF ; AMERICA, AND ALGOM URANIUM MINES LTD. WRIT OF CERTIORARI AND MANDAMUS APPLICATION IN THE SUPREME COURT OF ONTARIO BY PRONTO LTD. CHALLENGING THE CONSTITUTIONAL VALIDITY OF THE ATOMIC ENERGY CONTROL ACT S18 AND ITS REGULATIONS REGARDING THE ASSUMPTION OF JURISDICTION BY THE ONT. LABOUR BOARD IN AN APPLICATION BY UNITED STEELWORKERS OF AMERICA FOR CERTIFICATION AS A BARGAINING AGENT FOR A UNIT OF EMPLOYEES OF PRONTO LTD. STATUTE: ATOMIC ENERGY CONTROL ACT RSC1952, C11, S3(1), S8, S9, S18 ATOMIC ENERGY CONTROL REGULATIONS S101(1)(j) AND (2) INDUSTRIAL RELATIONS AND DISPUTES INVESTIGATION ACT RSC1952, C152 ATOMIC ENERGY CONTROL ACT RSC1952, C11, S3(1), S8, S9, S18 ATOMIC ENERGY CONTROL REGULATIONS S101(1)(j) AND (2) INDUSTRIAL RELATIONS AND DISPUTES INVESTIGATION ACT RSC1952, C152