Assertion: caldera's diameter | /r/CapableOf | extend as far as 20 miles
Facets:
value: from mazama's summit
type: LOCATION
Source sentences:
text: These deposits have diameters between 1 to 2 feet (0.30 to 0.61 m), though they are punctuated by pumice blocks with diameters of 6 feet (1.8 m) that extend as far as 20 miles (32 km) from Mazama's summit.