Assertion: bluestone | /r/HasProperty | transported to salisbury plain
Facets:
value: over a route
type: OTHER
value: probably
type: DEGREE
Source sentences:
text: These bluestones, weighing about 4 tons each, originate in the Preseli Hills, in Pembrokeshire, south-west Wales, and were probably transported from there to Salisbury Plain over a route at least 185 miles long (see the chapter on Preseli).