Its A.M.S. ; 5207 and Series (Standard map series designation system) ; 5207.
Description:
"5-45.", "Lambert conformal conic projection.", Elevations are shown by hachures and spot heights in meters., and Two classes of roads and double and single track railroads are shown.
Publisher:
Army Map Service,
Subject (Geographic):
Southeast Asia--Maps and Thailand--Maps
Subject (Topic):
Transportation--Southeast Asia--Maps and Transportation--Thailand--Maps