Reference : 6853.32,6853.33,6853.34,6853.35,6853.36,6854.01

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

Scope and content : Amphoe Mae Sariang, Changwat Mae Hong Son, Thailand,east=97.770568; north=18.264741

Extent and medium : Slide ดูเอกสารต้นฉบับ