The meaning and development of sema hin stones: Many different types of Sema Hin stones can be found throughout Northeast Thailand but the most important archaeological site in the Northeast is at Muang Fa Daed (Eliot and Bickersteth, 2003) or the ancient community of Muang Fah Daed Soong Yang in Kalasin Province in Northeast Thailand. Analysis of 432 Sema Hin Stones at Muang Fah Daed Soon Yang show evidence that these stones were re-used and influenced by the ancient burial stones.