Fig. 1

Map showing sites with evidence of rice. 1 Banyan Valley Cave; 2 Phu Lon; 3 Ban Chiang; 4 Nong Han Kumphawapi, Ban Na Di; 5 Ban Chiang Hian, Non Noi, Ban Kho Noi; 6 Non Nok Tha; 7 Non Dua, Don Taphan; 8 Ban Non Wat, Phimai, Noen U-Loke, Non Muang Kao, Ban Tamyae; 9 Khok Phanom Di, Nong Nor; 10 Khok Charoen; 11 Non Pa Wai, Nil Kham Haeng, Non Mak La, Lopburi, Ban Tha Kae; 12 Ban Don Ta Phet, Ban Na Khun Saen 2; 13 Khao Sam Kaeo; 14 Phukhao Thong; 15 Non Khao Wong.