Nanstallon in 1965 by Aileen Fox and Professor W. L. D. 'Bill' Ravenhill. Until recently (2007) it was the second Roman fort in Cornwall but following a geophysical survey another Roman fort has been found away near Restormel Castle. Constructed c. AD 55–60, Nanstallon fort is situated in mid Cornwall near the Fowey-Camel trade and communication route. Nanstallon was probably a forward operating base and was strategically well-placed for a Roman presence to be felt. However, the Roman Legion at Exeter was withdrawn c. AD 75 and with no Roman town west of Isca Dumnoniorum Cornwall settled down to four centuries
Southern England Chalk Formation Southern England Chalk Formation The Chalk Formation of Southern England is a system of chalk downland in the south of England. The formation is perhaps best known for Salisbury Plain, the location of Stonehenge, the Isle of Wight, and the twin ridgeways of the North Downs and South Downs. The North Downs are confined chiefly to the counties of Kent and Surrey, and the South to Sussex. Each forms a well-defined long range springing from the chalk area of Dorset and Hampshire, to which, though broken up into a great number of short ranges and groups of hills, the general