《水经注·卷九》
浮水上口在浮阳县境内引入清河水。往东北流经高城县苑乡城北面，又往东流经章武县老城北面，汉文帝后元七年始年间设立章武郡，治所就在这里。
汉景帝后七年，封孝文后弟窦广国为侯国，王莽更名桓章。晋太始中立章武郡，治此。
The upper reaches of the Fushui river introduced Qinghe river water within the borders of Fuyang county. As it flowed northeast, it passed by the north side of Chengxiang Town in Gaoyang county, and then flowed eastward past the north side of the old city of Zhangwu county, where the Zhangwu county was established in the first year of Emperor Han Wendi's Houyuan era.