Assertion: whale fall | /r/CapableOf | dive in bathyscaphe
Facets:
value: on 19 february
type: TEMPORAL
Source sentences:
text: The first recorded abyssal whale fall was discovered by US Navy bathyscaphe pilots LT Ken Hanson, Master Chief George Ellis and LT Tom Vetter diving in bathyscaphe Trieste II (DSV-1) on 19 February 1977.