Duning League was an Independent League that was based in Saskatchewan.
1925 - Assiniboia, Congress, Mossbank, Vantage
1934 - Congress, Ettington, Mazenal Monarchs and Mazenal Nationals
1935 - No teams enter or left the league
1936 - Mossbank, Palmer, and Vantage enter the League Ettington and Mazenal Nationals has left the league.
1937 - Vantage has left the league