Assertion: plant's foot | /r/HasProperty | 20 m
Facets:
Source sentences:
text: including reservoirs (blue), and main chambers (gray grid) for the centers (dark green buildings are 3 story) with 3 tunnels 45 feet (15 m) wide, 60.5 feet (20 m) high, and 588 feet (180 m) long intersected by 4 cross tunnels 32 feet (10 m) wide, 56 feet (17 m) high and 335 feet (100 m) long.