Assertion: california condor's feather | /r/HasProperty | found with humans relics
Facets:
value: within the grand canyon
type: LOCATION
value: in cave
type: LOCATION
Source sentences:
text: Many fossils, eggshells, non-fossilized bones, and feathers have been found in cave with humans relics within the Grand Canyon, indicating that it was an important historical nesting area (Smith and Easton 1965).