.....in SD/ND?
I have only been ice fishing for about 5 or 6 years but the thickest I can remember was probably around 22-24" and that was in the Lake Thompson area, (81 ponds I think) it was a few years ago. I know that I have never needed an extension on my auger as of yet....maybe someday....who knows.....probably not this year. What about you other SD/ND fellas?