|Elevation||115 ft (35 m)|
|Time zone||UTC-6 (Central (CST))|
|• Summer (DST)||UTC-5 (CDT)|
|GNIS feature ID|||
The town was once an important station on the Illinois Central Railroad.
Gwin was the crew change point for all freight trains traveling between New Orleans and Memphis, and a hotel for train crews was located there. South of the town was a switching yard with six tracks, as well as a wye-junction where the track branched into a line which traveled east to Durant. Before electrical refrigeration was available for railcars, a large icing facility was located in Gwin, where ice was loading onto trains carrying perishable goods. In 1986, the railway moved its crew change point to McComb.
- U.S. Geological Survey Geographic Names Information System: Gwin, Mississippi
- "Gwin Mississippi". Illinois-Central.Net. Retrieved September 17, 2016.
- Durff, Mike. "Icing Facilities - Gwin, Mississippi" (PDF). Illinois-Central.Net. Retrieved September 17, 2016.
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