Reference : 63/BNT/Ri-1,63/BNT/Ri-2,63/BNT/Ri-3

Name of creator(s) : Keyes, E. Jane

Scope and content : Ban Nong Tun, Thambon Khwao, Amphoe Muang, Changwat Maha Sarakham, Thailand,east=103.41014; north=16.12766

Extent and medium : Slide ดูเอกสารต้นฉบับ