Reference : 6820.11,6820.14

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

Scope and content : Ban Dong, Thambon Huai Hom, Amphoe Mae Sariang, Changwat Mae Hong Son, Thailand,east=98.08038; north=18.34281

Extent and medium : Slide ดูเอกสารต้นฉบับ