I know you fish KY Lake. Do all of your productive ledges (I know that is a relative term) have cover? Are there any that you have that are barren, but still produce? Do you bother if there are no baitfish?
It is a funny thing, I have caught fish when I have seen nothing on my graph. Flat, featureless bottom, no pods of baitfish, no fish. Maybe I do not how to read a graph but fish were caught and at times multiple fish. This is why I never overlook a ledge and fish them all until I am convinced they will not produce.