《资治通鉴·汉纪·汉纪十二》
汉武帝因为淮阳郡地处楚地交通要冲，所以召来汲黯，任命为淮阳太守。
上以为淮阳，楚地之郊，乃召拜汲黯为淮阳太守。
Since the Huaiyang prefecture was located at a crucial part of the Chu area, Emperor Wu of the Han Dynasty therefore summoned Ji An and appointed him as the governor of Huaiyang.