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IP address: 18.232.55.173
Time: 2024-07-12T07:50:02Z
URL: https://scholar.google.com/scholar_lookup?author=Heizer%20Robert%20F.&author=Hester%20Thomas%20R.&author=Jack%20Robert%20N.&journal=Contributions%20of%20the%20University%20of%20California%20Archaeological%20Research%20Facility&pages=117-122&publication%20year=1972&title=Geological%20Sources%20of%20Archaeological%20Obsidian%20from%20Sites%20in%20Northern%20and%20Central%20Veracruz%2C%20Mexico&volume=16