Shawnee Hills

(1) Beginning at the intersection of State Routes 3 and 150 in the town of Chester (Randolph County), proceed northeast on Route 150 to its intersection with the surveyed boundary line between Township 6 South (T6S) and Township 7 South (T7S); then (2) Proceed due east along the T6S/T7S boundary line until it becomes the boundary between Perry and Jackson Counties, and continue east along the Perry-Jackson County line to State Route 4; then (3) Proceed southeast on State Route 4 through the villages of Campbell Hill, Ava, and Oraville to its intersection with State Route 13/127; then (4) Proceed south on State Route 13/127 to the intersection where State Routes 13 and 127 divide in the town of Murphysboro; then (5) Proceed east on State Route 13 through the city of Carbondale to State Route 13's intersection with Interstate 57; then (6) Proceed south on Interstate 57 to its intersection with State Route 148; then (7) Proceed southeast on State Route 148 to its intersection with State Route 37; then (8) Proceed south on State Highway 37 to Saline Creek; then (9) Proceed northeasterly (downstream) along Saline Creek to its confluence with the South Fork of the Saline River, then continue easterly (downstream) along the South Fork of the Saline River to its confluence with the Saline River, then continue easterly and then southeasterly (downstream) along the Saline River to it…