Reference : 63BNT/R-30,63BNT/R-31,63BNT/R-32,63BNT/R-33,63BNT/R-34,63BNT/R-35,63BNT/R-36,63BNT/R-37,63BNT/R-38,63BNT/R-39,63BNT/R-40,63BNT/R-41,63BNT/R-42
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