Assertion: river dolphin's population | /r/HasProperty | estimated at 6,000 animals
Facets:
value: in the 1950s
type: TEMPORAL
Source sentences:
text: In the 1950s, the population was estimated at 6,000 animals, but declined rapidly over the subsequent five decades.
text: In the 1950s, the population was estimated at 6,000 animals, but declined rapidly over the subsequent five decades.
text: In the 1950s, the population was estimated at 6,000 animals, but declined rapidly over the subsequent five decades.