Reference : 63BNT/D-1,63BNT/D-2,63BNT/D-3,63BNT/D-4,63BNT/D-5,63BNT/D-6,63BNT/D-7

Name of creator(s) : Keyes, Charles F.

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