Boundary Surveying and Retracement
Core concepts
Retracement means recovering the location of an existing boundary as it was originally established, not creating a new one. A candidate must know the hierarchy of evidence: natural monuments, artificial monuments, courses and distances, then area. Angle and distance measurement techniques, record research, and the distinction between original and subsequent surveys are all fair game.
Traps
Questions love the ambiguity between "following the record" and "following occupation." Long-standing occupation is evidence, not automatically controlling. Another trap is proportional measurement: when a monument is lost, distances may be prorated between found corners, but only when the record supports it and the original monument cannot be recovered. Watch for questions that confuse a lost corner (position can be reestablished) with an obliterated corner (evidence of original position exists).
Worked example
A deed reads "thence North 100.00 feet to a stone; thence East 200.00 feet." The stone is found displaced but identifiable. The monument controls over the record distance, so the boundary runs to the found stone even if the measured distance is 99.4 feet. If the stone were truly lost, you would prorate or use the record bearing and distance.
Rule of thumb
Monuments beat measurements; original evidence beats later evidence; and occupation alone does not move a boundary.