Assertion: morning glory spillway | /r/CapableOf | narrow down to about 28 feet
Facets:
value: at the exit
type: LOCATION
Source sentences:
text: The dam's morning-glory-type spillway, known as the Glory Hole, is 72 feet (22 m) in diameter at lake level and narrows down to about 28 feet (8.5 m) at the exit.