Assertion: reservoir's foot | /r/HasProperty | 9.1 m
Facets:
Source sentences:
text: It is named for the sandstone pillars, ranging in height from 15 feet (4.6 m) to 30 feet (9.1 m), that occupy its landscape.
text: Lake waters rose some 30 feet (9.1 m) from April 1 through May 12 of that year, and by May 26 had risen another sixteen feet, overtopping the 710-foot (220 m) spillway elevation for the first time.