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Map of the district of Katha in northern Burma (Myanmar) featuring the Irrawaddy River, and the Mu Valley State Railway (still partially under construction). High points are marked with their heights so they can be used for triangulation.

Map of the district of Ruby Mines in northern Burma (Myanmar) featuring the Irrawaddy and Shweli rivers. High points are marked with their heights so they can be used for triangulation. As the name suggests, the district was known for its rubies.

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.

This map of the trade routes of India includes Burma (Myanmar) and part of Siam (Thailand). The Rangoon and Irrawaddy Valley State Railway is marked. There are tables showing the values of imports and exports for each area, listed by produce type.