《三国志·魏书·满田牵郭传》
几年间，学校如雨后春笋般兴盛起来。郡治设在广武，井水又咸又苦，当地人推车挑担，到很远的河边挑水，往返七里。
郡所治广武，井水咸苦，民皆担辇远汲流水，往返七里。
Within a few years, schools flourished like bamboo shoots after a spring rain. The regional government was located in Guangwu, where the well water was both salty and bitter. The locals used wheelbarrows and shoulder poles to fetch water from a distant river, a round trip of seven li.