Ban Don Ta Pet Site in Kanchasoci naburi Province indicates the connection between Thailand and the West (theMediterranean world and India around 360-390 B.C., according to C14 dates (Glover 1990: p.155) People seem to have reached an understanding of the monsoon phenomena sometimes before the 2nd Century A.D. which is the approximate age of the artifacts found at Khao Sam Kaeo Site Chumphon Province, and Khuan Luk Pat Site, Krabi Province. Within these sites, there are indications that they were not only ports but also production sites for certain merchandise and although no religious or cult icons were found, inscriptions were discovered on small seals