Assertion: boundary | /r/CapableOf | loop to the west
Facets:
Source sentences:
text: Returning to the River Dee as far as Chirk, the boundary then loops to the west, following Offa's Dyke itself for about 2 miles (3 km), and including within England the town of Oswestry, before reaching the River Vyrnwy at Llanymynech.