《明史·志·卷六十一》
南面的叫做大小昭阳，大湖南此长十八里，小湖南北长减少三分之一，周围八十余里。
南曰大、小昭阳，大湖袤十八里，小湖杀三之一，周八十馀里。
To the south are Xiaozhao and Dazhao Yang, the former being 18miles long and the latter being one-third smaller, with a circumference of over 80 miles.