Assertion: volcano's summit | /r/HasProperty | covered by an ice cap
Facets:
value: in the late 1880s
type: TEMPORAL
value: in extent
type: OTHER
value: completely
type: DEGREE
Source sentences:
text: In the late 1880s, the summit of Kibo was completely covered by an ice cap about 20 square kilometres (7.7 sq mi) in extent with outlet glaciers cascading down the western and southern slopes, and except for the inner cone, the entire caldera was buried.