Its terminal moraine (rock debris) dammed the valley, creating Lake Yosemite.
(Its terminal moraine; dammed; the valley) Context(Its terminal moraine dammed,List([0, 41))):(Its terminal moraine; dammed the valley creating; Lake Yosemite)
Its terminal moraine dammed,List([0, 41))
Its terminal moraine Its terminal moraine
dammed dammed the valley creating
the valley
Lake Yosemite