If I were in your locale, this breeder would be the first choice.
Crooked Creek Ranch
One in KS that may be of help:
But if you are willing to travel, then maybe you should look at different lines and what best suits you so the dog will be a good match.
Here is a rescue near me that has very nice adults going through often. Facebook has the best photo/info https://www.facebook.com/SouthwestMi...Rescue?fref=ts
or you can look on this site for contact info: https://richlandanimalrescue.org/