Assertion: national park's mile | /r/HasProperty | 0.8 km
Facets:
Source sentences:
text: at least one-half mile (0.8 km) from (and out of sight of) designated trails
text: In addition to the short accessible trail, another (moderately strenuous) hiking trail climbs one-half mile (0.8 km) toward Delicate Arch and ends at the rim of a steep canyon that separates the viewpoint from the arch.
text: Dark Angel is one-half mile (0.8 km) farther.