St Clair Mission operates in Singleton, Hunter Valley, NSW till 1918 it is taken over by the Aborigines Protection Board. In New South Wales, the idea of developing reserves was to ‘protect’ and ‘civilise’ Aboriginal people. St Clair Mission, is located in Carrowbrook between Muswellbrook and Singleton.... St Clair operated until 1918 when it is taken over by the Aborigines Protection Board and renamed Mount Olive Reserve. At his time, strict rules were introduced by Manager of the Mission and many people were removed from Mount Olive for not following the strictly imposed rules.