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Dummyline Road near Madisonville parallels the old roadbed of the railroad that for a while runs alongside Brady Island Drive. The old railroad grade is marked in yellow. The above map is from a 1935 USGS Topographical Map.
There were several short run railroad lines near Talisheek. Some of these ran into the Pearl River Swamp meeting up with existing logging trails.
North of Slidell, near Charter Oak and Hickory, there were numerous short run dummy line railroad tracks that ran into the logging areas and gravel pit loading areas.