Cat Island Dikes
Memphis District ACOE
Mississippi River Mile 710.5 and 712.5 Crittenden, Arkansa
Perform hydrographic and topographic survey cross sections at three dike locations near Cat Island (Mile 712R). Perform hydrographic and overbank topography at 500 ft. intervals between River Mile 710.5 and 712.5.
Dike 2A establish a 200 ft. landward extension of the centerline and cross-section at 50 ft. intervals. Recover monuments along the centerline of Dike 3A and re-establish baseline. Run sections parallel to the baseline at 50 ft. intervals, 300 ft. upstream and 200 ft. downstream. Recover monuments, establish a baseline and run a centerline profile along the centerline of Dike 4A.