Geography Jefferson Township is located in northeastern Greene County, and is bordered at its northeastern end by the Monongahela River, which forms the Fayette County line. The northern border of the township follows Tenmile Creek, a tributary of the Monongahela, and the longer northwestern border of the township follows the South Fork of Tenmile Creek.
Geography Jefferson To,wnship is located in northeastern Greene County and is bordered at its northeastern end .by the Monongahela River, which forms the Fayette County line The northern border of the township follows Tenmile Creek, a tributary of the Monongahela, and the longer northwestern border of the township follows the South Fork of Tenmile Creek.