This gem mining area is accessed only by foot and is situated east of Tagaung-nann-daing
. In early 2000 gem mining took place at the riverbanks and the valley floor in open-pit mining, to recover mainly rubies
, star rubies
and star sapphires
. In November 2003 the mines were closed.
Ref: Ted Themelis (2008) Gems and Mines of Mogok, p. 242