Assertion: condor's bone | /r/AtLocation | archaeological sites
Facets:
value: at avila beach
type: LOCATION
value: on san nicholas island
type: LOCATION
Source sentences:
text: Whistles made from condor bones have been discovered in Costanoan territory at San Francisco Bay , and individual unmodified bones of condors have been found in archaeological sites at Avila Beach (San Luis Obispo County) and on San Nicholas Island .