S.C. Code § 4-3-400
McCormick County is bounded as follows: beginning at a point on the South Carolina-Georgia line in the Savannah River, opposite the mouth of Coffer Creek; thence a straight line N. 45° E. 26728 feet to the fork of roads at Riley's; thence the public road in an easterly direction to Island Bridge over Little River; thence continuing 6978 feet to the fork of road; thence turning to the east, following the right-hand road to the south of Little River, known as White's Creek; thence a straight line S. 85° 30' E. 23800 feet to a point in the road near Clatworthy's Cross Roads; thence a straight line N. 78° 15' E. 15700 feet to a point on the Greenwood-Abbeville County line near Jordan's Mill; thence the said Greenwood-Abbeville County line, in a southerly direction to its intersection with the C. & W. C. Railway, about one mile south of Troy; thence a straight line N. 58° E. 5000 feet to a stake, south of the incorporated limits of Troy; thence a straight line N. 46° E. 19659 feet to a stake on the Abbeville-Edgefield public road; thence the said Abbeville-Edgefield public road in a southerly direction to a road opposite the place now or formerly owned by Jabe Stone; thence N. 44° 30' E. 7200 feet to a stake; thence a straight line S. 83° E. 13361 feet to a stake near or at Callison's old mill on Cuffytown Creek; thence up the run of said creek to the Callison-Kirksey township line; thence the said township line in an easterly direction to the Martintown road; thence the said Martintown road in a southeasterly direction to the Greenwood-Edgefield County line; thence the said Greenwood-Edgefield County line in a westerly direction to a stake about one quarter of a mile west of the old White place; thence a straight line S. 13° E. 10978 feet to a stake; thence a straight line S. 77° W. 3750 feet to a stake; thence a straight line S. 13° E. 8522 feet to a pine; thence a straight line S. 35° 45' 20400 feet to Cochran Bridge on Turkey Creek; thence a straight line S. 26° 30' E. 16800 feet to a point where a branch crosses a public road; thence a straight line S. 59° 10' W. 27908 feet to the run of Big Stevens Creek; thence down the run of Big Stevens Creek to a stake; thence a straight line S. 50° W. 22828 feet to the South Carolina-Georgia State line in the Savannah River; thence the said South Carolina-Georgia State line in a northwesterly direction to the beginning point. The said county is hereby named McCormick, and the county seat thereof is hereby established in the town of McCormick, and in addition the following territory transferred from Edgefield County by act of the General Assembly, approved February 11 1921, to wit: beginning at a cottonwood tree on the west bank of Stevens Creek; thence the Edgefield and McCormick County line to the South Carolina and Georgia State line in the Savannah River; thence the South Carolina and Georgia State line in the Savannah River to old Furry's Ferry; thence a straight line north twenty-four degrees east to a stake X3N on the west bank of Stevens Creek; thence up the west bank of Stevens Creek to the beginning point, and less the following territory transferred to Edgefield County by act of the General Assembly, approved February 9 1921, to wit: beginning on the McCormick and Edgefield County line at Moultrie's Mill Bridge on Turkey Creek; thence down the run of Turkey Creek to its intersection with Stevens Creek; thence down the run of Stevens Creek to the Edgefield and McCormick County line; thence the Edgefield and McCormick County line N. 59° 45' E. 27908 feet to a corner at the intersection of a public road with a branch of Beaver Creek; thence the Edgefield and McCormick County line N. 26° 15' W. 16800 feet to the beginning point.
S.C. Code § 4-3-400