Elko, MissouriElko is an unincorporated community in Putnam County, in the U.S. state of Missouri.[1] HistoryElko was originally called Garfield Springs, and under the latter name was platted in 1833.[2] A post office called Elko was established in 1885, and remained in operation until 1908.[3] References
40°24′54″N 92°51′54″W / 40.41500°N 92.86500°W
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