Hazel Run is an unincorporated community in northeastern St. Francois County, in the U.S. state of Missouri. The community is located one-half mile south of Hazel Run creek and approximately five miles east-northeast of Bonne Terre.Missouri Atlas & Gazetteer, DeLorme, 1998, First edition, p. 49
History A post office called Hazel Run was established in 1844, and remained in operation until 1928. The community takes its name from nearby Hazel Run creek.
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