What did the summer kill look like? Why do you think it was heat related? What body of water or waters was it? Did the waters have adequate stratification? Did the waters have springs? Did the waters have inlets and outlets? If the information hasn't been published yet, why do you believe the way you do? Do you just feel it in your gut? I tend to lean toward proof versus emotion and I believe wholeheartedly that my initial instincts and what others would consider common sense ends up being downright wrong. (Which is safer, letting your child visit the home of someone that you know has a loaded handgun in the house or letting your child swim in the pool of someone you know? Is it better to keep your child up later so they will sleep through the night better or is it better to have them take naps more frequently during the day so they sleep better through the night?) Have you considered the possibility that you are wrong on this GT? Is it possible that you have missed out on fishing opportunities for years based on a misrepresentation of information? I don't doubt for a second that you feel you are doing right by the fish but in truth the only way to do right by the fish is to not poke them in the first place and that is simply not something I'm willing to do.