Assertion: aardwolf's foot | /r/HasProperty | 30 m
Facets:
Source sentences:
text: Subnivean travel routes of >98 feet (30 m) were documented in northeastern Oregon, >33 feet (10 m) on the Upper Peninsula of Michigan, and up to 66 feet (20 m) in Wyoming.
text: Some dens may have up to six entrances leading up to 100 feet (30 m) of interconnecting tunnels.