As you look out from the ramp in the picture, to your left is the deep water channel. To your 1 oclock to 3 oclock is a large bumpy flat that extends all the way to the same river channel along the far bluff. Fish are somewhere on the flat at all times. They relate to the underwater humps. At times they will school and chop shad over that flat.
From the ramp at 12 oclock is the ledge from the flat to the channel. Before the lake was impounded someone built a rock wall or maybe a road bed down that edge. You can see it on side image sonar. That hump on the edge is productive when the fish