Reference : 63/BNT/Ri-19

Name of creator(s) : Keyes, Albert Marshall

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