Mason-Dixon map that divided U.S. into North and South before Civil War is for sale
A map produced from the 18th-century survey by Charles Mason and Jeremiah Dixon—originally intended to settle a Maryland–Pennsylvania border dispute—later came to mark the North–South division before the Civil War and is now listed for sale.
A historic map tied to the Mason-Dixon survey is being offered for sale. The original survey by Charles Mason and Jeremiah Dixon was commissioned to resolve a border dispute between Maryland and Pennsylvania and later came to represent the line dividing North and South before the Civil War.