KNOWLEDGE. 



Jantaky. 1'515. 



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Figure i. A Native Miner. 



Figure 4. A Native Worker. 



.Li^+ii..jLi 



Figure 6. .A typical view of the Ruby-bearing area. 



Figure 5. A view ot Mogok, with the building 

 where the Rubies are sorted and sold. 



Figure 7. One of the Cuttings. 



prom Pliotographs by Mrs. M. L. Miliic. 



