《山海经·山经·中山经》
再往西二百里，有一座蔓渠山，山上有丰富的金属矿物和玉石，山下到处是小竹丛。
又西一百五十里，曰蔓渠之山，其上多金玉，其下多竹箭。
Two hundred miles further to the west, there is Mount Manqu, which is rich in metal minerals and jade, and there are small bamboo forests everywhere under the mountain.