Nearshore Areas
Along most of the lake, the bottom drops fairly quickly and steadily to a depth of approximately 30 feet. The area That has a rocky bottom, with some drop-offs and ledges, is generally around the Islands and the reef's where the smallmouth fishing is usually the best.

On the west side of the lake, the bottom is relatively flat and featureless for a long period as it very gradually drops from a depth of about 10 feet to a depth of about 40 feet.

Information above from FishUSA.com web site