4 branch lines

tree branch mining method

a gold mining area in Xiaoqinlin

Abandoned Mining area

Adjacent area of mining area

Ankouzhen Au mining area

antimony mining area

Anyang mining area

Baitun coal mining area

Baojishan Coal Mining Area

Bijiashan mining area

Binchang mining area

border area mining

building in mining area

Caving Mining Area

Chahe coal mining area

Chahe mining area

Changfushan Mining Area

Changzhi-Luan mining area

Chenghe mining area