Reference : 6704.15,6704.16,6704.17
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