Alphenia Mounds

[31.821423835556963, -91.56742866685485](https://goo.gl/maps/SScELkABzm3moPWh6) MOUNDS ON ALPHENIA PLANTATION, TENSAS PARISH. "Alphenia Plantation , bordering Tensas river, the owner of which is Mr. F. E. Bowman, who resides upon it , has in sight from the water three interesting mounds, all of which , with extensive summit- plateaus, probably have been about square at one time, though wash of rain has rounded the corners and in places has cut into the sides of the mounds to a considerable extent." *Some Aboriginal Sites in Louisiana and Arkansas*, C.B. Moore Mound A. Height, 19.5 feet; diameter of base, 170 feet. Mound B. Height, 14.5 feet; diameter of base , 130 feet. Mound C. Height, 18 feet; diameter of base approximately the same as that of Mound A. All three mounds had about the same diameters of summit -plateau, namely, 70 feet.  Source: Objaverse 1.0 / Sketchfab