dozen (orange) archaeological sites are from: Kan, Michael; Clement Meighan; H. B. Nicholson (1989) "The Pre-Columbian Art of West Mexico: Nayarit, Jalisco...
Olmec Heartland Classic era sites in Central Mexico Site with early evidence for ballplaying Western Mexico archaeological sites English version here Portuguese...
dozen (orange) archaeological sites are from: Kan, Michael; Clement Meighan; H. B. Nicholson (1989) "The Pre-Columbian Art of West Mexico: Nayarit, Jalisco...
