Reference : 6855.25,6855.26,6855.27,6855.28,6855.29,6855.30,6855.31,6855.32,6855.33
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