The group was born from the Far South Rugby League and Wagga Rugby League, and was originally called Group 18 between 1934 and 1936.

The Far South Rugby League comprised Albury, Holbrook, Henty, Culcairn, Tumbarumba, The Rock and Yerong Creek whilst Wagga Rugby League comprised Wagga Magpies, Wagga Old Boys, Borambola, Farm and Militia.

After the 1991 season, the remaining clubs joined the Group 9 Rugby League Competition or went into recess; many later ended up in the Victorian-administered Murray Cup.

[1] Group 13 produced six teams that won the Clayton Cup (Country Rugby League) highest honour in Club Rugby League.

1939 – Wagga Magpies 1940 – Henty 1969 – Tarcutta 1975 – Albury Blues 1985 – Tumbarumba 1986 – Tumbarumba The Roddy Shield is a rugby league nines competition played in the vicinity of Tumut, New South Wales, Australia.