Single Tree Horse or Ox Yoke For Wagon or Plowing

Or pulling logs around or whatever you want work animal to do. Up here it would be for logging. Probably it was used for a wagon.
I do believe a single tree yoke would be used for a single animal. This one seems to be the bolt style as the center piece of hardware is a bolt instead of a ring. Could easily be from the early 20th century just as tractors were taking the place of horse and oxen.
Picked up some rustic items this weekend. There is much more space outside than inside. Hopefully more home tour to come too including an exciting behind the scenes tour.