Curtin Township is limited by Liberty Township to the northeast , Marion Township to the southeast , Clinton County to the southwest and Howard Township to the West . Curtin Township is bordered by Liberty Township to the northeast , Marion Township to the southeast , Clinton County to the southwest , and Howard Township to the west .
Curtin Township dihadkan oleh Liberty Township ke timur laut, Marion Township ke tenggara, Clinton County ke barat daya dan Howard Township ke Barat. Curtin Township bersempadan dengan Liberty Township di timur laut, Marion Township di tenggara, Clinton County di barat daya, dan Howard Township di barat.