Assertion: fortress's wall | /r/HasProperty | measured 5 to 6 metres
Facets:
Source sentences:
text: East of the River Irthing, the wall was made from squared stone and measured 3 metres (10 feet) wide and 5 to 6 metres (16 to 20 feet) high[citation needed], while west of the river the wall was originally made from turf and measured 6 metres (20 feet) wide and 3.5 metres (11 feet) high[citation needed]; it was later rebuilt in stone.