Assertion: cave's passage | /r/CapableOf | extend for 1.3 miles
Facets:
value: horizontally
type: MANNER
value: with a lower elevation
type: OTHER
value: into a nearby valley
type: TRANSITIVE-OBJECT
Source sentences:
text: There's a small river flowing into the entrance of the underground passage, which apparently extends horizontally for 1.3 miles (2.1 kilometers) into a nearby valley with a lower elevation, where there the water flow exits.