Reference : 6873.18,6873.19,6873.20,6873.21,6873.22,6873.26

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

Scope and content : Changwat Lampang, Thailand,east=99.5; north=18.333333

Extent and medium : Photograph ดูเอกสารต้นฉบับ