《晋书·志·第五章》
祁阳零陵营浦洮阳永昌观阳营道春陵泠道应阳东界东部地界有垦擅，传说为叁封地。
祁阳零陵营浦洮阳永昌观阳营道春陵泠道应阳东界有鼻墟，云象所封。
There are illegal farms in Qiyang Linglingying Putaoyang Yongchang Guan Yang Ying Daoshunling Leng Daoyingyang Dongjie Eastern Boundary, which is said to be the Sān fēng land.