Assertion: large avalanche | /r/CapableOf | slide on a 30° slope
Facets:
value: in 1999
type: TEMPORAL
Source sentences:
text: A large avalanche in Montroc, France, in 1999, 300,000 cubic metres of snow slid on a 30° slope, achieving a speed in the region of 100 km/h (62 mph).