Assertion: national park's lake | /r/CapableOf | cover much of the floor of yosemite valley
Facets:
value: periodically
type: TEMPORAL
Source sentences:
text: Retreating glaciers often left recessional moraines that impounded lakes such as the 5.5 miles (9 km) long Lake Yosemite (a shallow lake that periodically covered much of the floor of Yosemite Valley).
text: Retreating glaciers often left recessional moraines that impounded lakes such as the 5.5 miles (9 km) long Lake Yosemite (a shallow lake that periodically covered much of the floor of Yosemite Valley).