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Sinkin is an extinct town in northern Shannon County, in the U.S. state of Missouri.[1] The community was located on a sharp meander in Sinking Creek at an area known as The Sinks where the stream goes underground for a short distance.[2]
A post office called Sinkin was established in 1869, and remained in operation until 1933.[3] The community took its name from nearby Sinking Creek.[1]
37°21′27″N 91°22′18″W / 37.35750°N 91.37167°W