Reference : 6840.05,6840.06,6840.08,6840.09,6840.10,6840.11,6840.12,6840.13,6840.14,6840.16,6840.17,6840.18,6840.19,6840.20

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

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

Extent and medium : Slide ดูเอกสารต้นฉบับ