Absolutely TORE the bass up on KY lake back in the 90s the year after they killed all the mill foil in one of the feeder creek bays. Before that, everyone fished the millfoil for big bass, but everyone thought the bass left after it was sprayed. Well most of the bass did. But the fatties were still there hugging tight to stumps and logs washed in and laying on the flats.
No fancy sonar, just ripping a crankbait blind casting the flats till you hit structure, pause the crankbait, then set the hook. 4lb plus bass on nearly every stump. And this was on 2 to 3 ft water in the dead of summer. After 20 or so trips, I learned where most of the submerged stumps were and could find them on the next trip in 3 or 4 casts.
By the end of summer, I was routinely catching 10 bass over 4lbs every trip, with 2 or 3 over 5lbs. Plus one trip caught my PB TN bass at 8.6lbs.
Just mind blowing those big bass were on flats with no depth change for hundreds of yards in the dead of summer in skinny water.