Assertion: individual basking shark | /r/HasProperty | observed at any one time
Facets:
value: since 1993
type: TEMPORAL
Source sentences:
text: Where schools in the hundreds and thousands used to occur off California, no more than 3 individual basking sharks have been observed at any one time since 1993 (Phillips 1948, Squire 1967, 1990, McFarlane et al.