Did not see any marks. Thanks for info. Apparently, I made the right guess. Thought the slip yoke might be at transfer case to keep it out of danger. And confirmed the other drive shafts are also as described above. Thanks again.
Hambone


~ HB
1966 Chevrolet K-10 | Ghost: formerly Flappy Fenders | In the Stovebolt Gallery
1962 Chevrolet C10
1962 Suburban