Keywords: Port-Hudson-LA-1906-USGS-Topographic-Map.jpg en Port Hudson Louisiana and vicinity Cropped from Bayou Sara Quadrangle USGS Historical Topographic Map Collection August 1906 Edition Scaled to 1 inch 1 mile 1906-08-01 United States Geological Survey United States Geological Survey other versions PD-USGov Topographic maps of Louisiana United States Geological Survey maps |