I believe the breeder's name was Mayo Kellog that used to breed labs for the pointing characteristics. He was located somewhere out west. A friend had one of his dogs and she would point regularly. I haven't heard about them for some time.
I had a Beagle that would point birds with the best of em. Where she learned that I have no idea. Best dog ever. She would chase rabbits and point birds better than my cousin's prized super high dollar Pointers. We went hunting one day and the Beagle pointed more birds than his dogs and she also chased a couple of rabbits back to us. He never invited us to hunt with him again. LOL