Assertion: gopher's tunnel | /r/HasProperty | deep
Facets:
value: very
type: DEGREE
value: below the surface of the ground
type: LOCATION
value: usually
type: DEGREE
Source sentences:
text: Gopher digs tunnels that can be close to the surface (main tunnel is usually 18 inches below the surface of the ground), or very deep (nesting chamber is usually on a depth of 6 feet).
text: About 90 mm (3.5 in) in diameter, the tunnels are up to 0.91 m (3.0 ft) deep.