Assertion: reservoir's foot | /r/HasProperty | 30 m
Facets:
Source sentences:
text: A two-line grout curtain reaches depths of 150 feet (46 m) below the foundation in the north segment of the East Dam and 100 feet (30 m) in the south segment.
text: To minimize foundation seepage, a two-line grout curtain extends up to 100 feet (30 m) below the foundation.