Assertion: butte | /r/HasProperty | disaster
Facets:
value: environmentally
type: DEGREE
Source sentences:
text: Butte was a disaster environmentally and the area adjacent to the city was declared one of the largest Superfund Sites in the country, due to the leaching of toxic chemicals and heavy metals such as cadmium, arsenic, sulfuric acid and zinc into the water table as well as nearby rivers.