Assertion: gopher's tunnel | /r/HasProperty | below the surface
Facets:
value: generally
type: DEGREE
value: commonly
type: TEMPORAL
Source sentences:
text: The main tunnel is about 1.75 - 3.5 inches in diameter and will be about 4-16 inches below the surface.
text: Their tunnels are generally 6 to 12 inches below the surface, but can go as deep as 6 feet where they nest.
text: The lateral tunnels are superficial, and are generally only 150-250 mm below the surface.
text: Pocket gopher burrow systems consist of a main tunnel or runway which is commonly six to eight inches below the surface, but this depth can vary greatly with the type of soil.