Facsimile of map given to the French Ambassador 29th Aug. 1889 as indicating the Approximate Boundaries of Siam to the North West & North such as they have hitherto been considered
1893
Cambodia, Laos, Myanmar, Thailand, Vietnam
The border between Siam (Thailand) and Tenasserin (Tanintharyi Region, Myanmar) is highlighted on this map, while the more northerly border between Siam and Burma (Myanmar) is marked as being ‘approximate’.
