sentences:  They now live along the border of North Carolina near the city of Rock Hill, South Carolina.German and Scots-Irish colonial immigrants first settled in the Catawba River valley in the mid-18th century.An official history of the German and Scots-Irish settlement was documented in 1954 by Charles J. Preslar, Jr. and more recently by a series of three books by Gary Freeze, called The Catawbans.