《明史·志·卷五十六》
云南黑盐井管辖盐课司三个，白盐井、安宁盟井各管辖盐课司一个，五井管辖盐课司七个。
云南黑盐井辖盐课司三，白盐井、安宁盐井各辖盐课司一，五井辖盐课司七。
There were three salt tax offices in the Heiya well in Yunnan, one in the Baiyan well, one in the Anning Allied Well, and seven in the Wu well.