sentences:  Settlements between Camborne and Redruth were on the original country road which was turnpiked in 1839, later becoming the A30 and now the A3047.Evidence of prehistoric settlement is from the name of nearby Roskear, which refers to a fortified site, probably an Iron Age round (farmstead), and there are records of mills in the Red River valley in the 13th-century.Mining was probably centuries old, with tin-streaming in the valley, when examples of deep-mined copper were recorded from the late 17th-century.