Complex sentence: In October 1977 the Taieri County was merged with its northern neighbour Waikouaiti County, thus the Strath Taieri became part of the new Silverpeaks County surrounding Dunedin and its boroughs in an inland arc.
Split into simpler sentences: In October 1977 the Taieri County was merged with its northern neighbour Waikouaiti County. The Strath Taieri became part of the new Silverpeaks County surrounding Dunedin and its boroughs in an inland arc.