evidence of trade

URI: https://gptkb.org/prop/evidence_of_trade
4 triples
GPTKB property
Random triples
Subject Object
gptkb:Maritime_Archaic_people exotic stones
gptkb:Maritime_Archaic_people gptkb:Ramah_chert
gptkb:Maritime_Archaic_people copper from Lake Superior
gptkb:Maritime_Archaic_people marine shells