Reference : 6820.15,6820.16,6820.18,6820.19,6820.20,6820.21,6820.22,6820.23

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