Assertion: mole's tunnel | /r/HasProperty | about 2 inches
Facets:
value: below the surface
type: LOCATION
value: usually
type: DEGREE
value: in diameter
type: OTHER
Source sentences:
text: A permanent tunnel is usually about 2 inches (5 cm) in diameter and 8 to 12 inches (20 to 30 cm) below the surface, while temporary tunnels are usually right under the surface of the ground.