Assertion: butte | /r/CapableOf | begin in late 19th century
Facets:
value: in summit valley
type: LOCATION
value: as a mining town
type: MANNER
value: a natural bowl sitting
type: MANNER
Source sentences:
text: Butte began as a mining town in the late 19th century in the Silver Bow Creek Valley (or Summit Valley), a natural bowl sitting high in the Rockies straddling the Continental Divide.