Firma, MissouriFirma is an extinct town in St. Charles County, in the U.S. state of Missouri. The GNIS classifies it as a populated place.[1] A post office called Firma was established in 1901, and remained in operation until 1924.[2] The community is named after a railroad employee, according to local history.[3] References
38°53′21″N 90°40′33″W / 38.88917°N 90.67583°W
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