Stone implements--Mexico--Analysis
Sora Sora Bolivia Obsidian Tiwanaku
San Lorenzo Tenochtitl
Prehistoric.
Peru -Antiquities.
Obsidian--Mexico--Analysis
Nuclear activation analysis--Mexico
Mexico--Antiquities
Indians of South America Peru Antiquities
Indians of South America Andes Region Antiquities
Indians of North America Commerce.
Indians of Mexico--Antiquities
Commerce
Archaeometry.
Archaeology--Mexico
Archaeology lithics andes obsidian
Archaeological chemistry.
Andes Region Antiquities.
andes obsidian exchange source colca chivay
án Site (Mexico)