Assertion: weir's construction | /r/CapableOf | begin on april
Facets:
value: with 50 feet
type: OTHER
Source sentences:
text: On April 7, 1908, construction began on the "Big Stack," a chimney for dispersal of fumes 506 feet (154 m) high, with an interior measurement of 78.5 feet (23.9 m) in diameter at the base and 50 feet (15 m) in diameter at the top.