The offices of Minister of Immigration and Colonization, Minister of the Interior, Minister of Mines and Superintendent-General of Indian Affairs were abolished and the office of Minister of Mines and Resources was on 23 June 1936 and proclaimed in force on 1 Dec. 1936.
The offices of Minister of Mines and Resources and Minister of Reconstruction and Supply were abolished by Statute and the offices of the Minister of Citizenship and Immigration, Minister of Mines and Technical Surveys and Minister of Resources and Development created and proclaimed in force on 18 Jan. 1950.
For ministers responsible for Indian Affairs see List of Canadian Ministers of Citizenship and Immigration.
References
Minister of Mines and Resources (Canada) Wikipedia(Text) CC BY-SA