Assertion: domesticated squash | /r/HasProperty | available
Facets:
value: between 8990–8610 cal bp
type: TEMPORAL
Source sentences:
text: Xihuatoxtla rock shelter, in tropical Guerrero state, contained phytoliths of what may be C. argyrosperma, in association with radiocarbon-dated levels of 7920+/- 40 RCYBP, indicating that domesticated squash was available between 8990–8610 cal BP.