Thanks for the info. Yes, I was surprised to see there was no info on SoDak in the file I got from the Win96 site. It specifically said Rev3 so I assume the info contained in the book called "Preloaded Data Addendum" that came with my scanner is either older or newer than the info in the file.
I went to do the update to the dsp and found that it already had the update installed, so I'm guessing mine is newer. If I can find the same vscanner info that matches my radio, I'll have to compare the two and see what differences there are.
At any rate, thanks much for your help. My wife's family is from the Eagle Butte/Dupree area, so we go down there several times a year, plus we go to the Black Hills every summer at least once. I wonder if the BIA or the Reservation Police have any special freqs. Once I get more familiar with the Pro96 I'll have to do some serious searching next time I get down there.
My brother-in-law is Fire Chief of the Eagle Butte volunteer FD, so he has a handheld that scans. We heard a lot of activity on it this past weekend, and he said his county, which is Dewey County, has digital radios but that they don't like them and is still using the old stuff. If I find out anything good, I'll be sure to post it here.