Troyville Earthworks, Archaeological site in Jonesville, Louisiana.
The Troyville Earthworks complex contains nine platform mounds and a perimeter embankment at the junction of Ouachita, Tensas, and Little Rivers.
William Dunbar documented the site in 1804, noting the Great Mound's height of 82 feet, making it the tallest prehistoric structure in Louisiana.
Native Americans constructed these earthworks between 400 and 700 CE, during a period of population growth in the Lower Mississippi Valley.
Visitors can locate the remaining mound structures along Willow Street and Second Street in Jonesville, with informational markers at key intersections.
The mound construction revealed sophisticated engineering techniques, incorporating woven cane matting, palmetto fronds, and wooden planks within its structure.
Location: Louisiana
GPS coordinates: 31.62680,-91.81560
Latest update: March 14, 2025 11:13
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