Index to relative positions of gold mining & prospecting grants: District Katha
Map of the Katha district, Burma (Myanmar), with locations of gold mines and land allocated for prospecting. High points are marked and linked with lines to create a triangulation network. The Mu Valley State Railway and Mu River are shown.
South eastern frontier
Very detailed large-scale map of the southeast border of Burma (Myanmar) and Siam (Thailand), divided into districts. Spread over multiple sheets, seems incomplete (some sheets appear more than once, probably from different versions of the same map).