Assertion: mount helicon | /r/CapableOf | rise under their feet
Facets:
value: at this point
type: TEMPORAL
Source sentences:
text: At this point, under their feet, rose Mount Helicon , 1,520 feet high, and round about the left rose moderate elevations, enclosing a small portion of the "Sea of Rains," under the name of the Gulf of Iris.