Assertion: butte | /r/HasProperty | one of the largest cities
Facets:
value: in north america
type: LOCATION
value: in the late 1800s
type: TEMPORAL
value: at the time
type: TEMPORAL
value: in early 1900s
type: TEMPORAL
Source sentences:
text: Butte was one of the largest cities in the Rocky Mountains in the late 1800s and early 1900s.
text: Copper ore mined from the Butte mining district in 1910 alone totaled 284,000,000 pounds (129,000,000 kg); at the time, Butte was the largest producer of copper in North America and rivaled in worldwide metal production only by South Africa.