Assertion: river's headwater | /r/HasProperty | stream
Facets:
value: with another river
type: OTHER
value: from its estuary or downstream confluence
type: LOCATION
Source sentences:
text: The headwaters of a river or stream is the farthest place in that river or stream from its estuary or downstream confluence with another river, as measured along the course of the river.
text: Headwaters can be streams that flow briefly when snow melts or after rain, but shrink in dry times to become individual pools filled with water.
text: Headwaters can be streams that flow briefly when snow melts or after rain, but shrink in dry times to become individual pools filled with water.