- To take the correct line into water, the dog had to run behind the gunner, who was seated facing to the left, coming within a a couple of yards. If the dog pushed off the gunner, it put the dog into the water on a line too far to the right.
- If the dog squared the water entry, that would aim the dog too far to the right.
- A light wind was blowing left to right.
- Perhaps because of the wind, the water also seemed to be moving left to right.
- The dog passed a point on the right a little more than halfway out.
- The point became more of a problem because the water became shallow enough for the dog's feet to touch bottom several yards out from the point. When a dog touches bottom, that tends to draw the dog more strongly to nearby land.
- Once the dog was past the point, a wide inlet opened up behind the point, with several patches of cattails to attract the dog, and several pieces of litter floating in the water acting as decoys.
- As the dog got closer to shore, a tendency to square the shoreline also pulled the dog to the right.
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