In 1920 Lachlan and Ashburnham were absorbed into Murrumbidgee and elected three members under proportional representation. At the end of proportional representation in 1927, Lachlan was recreated.
In 1920, Lachlan and Ashburnham joined Murrumbidgee and were given three seats through proportional representation. By 1927, Lachlan was re-established as a separate entity.