Around here, it is called a Combination of Parcels Survey. And we put a note that the dashed lines are to be abandoned upon recording of plat. (Or som...

Actually, I posted it 3 times. Strictly Surveying, Scanning/Cad and Sale/Trade. Just trying to hit all the right places.

The line would be as recognized by the 2 original parties. I would think that a property line agreement would help to clarify the line in the future.