In 1999 there were 3 main areas for gem mining at Kin: Kin-ko-lan-bauk
and Kin-kyauk-leik. Rubies
were recovered from the alluvium using several medium-to-large scale open-pit and myaw-dwin
mining schemes. In November 2001 these mines were closed but continued to work seasonably.
Ref: Ted Themelis (2008) Gems and Mines of Mogok, p. 269