I had my property surveyed, to beat back a neighbor's effeorts to encroach. Claimed he had 10 feet more along that property line. The original pins were magically missing along the offending neighbor's property line. the others were found by the surveyor and flagged.
Surveyour used a monument several blocks away as starting point, to get to my porperty. First though he stopped at the county recorder of deeds to pick up a legal description of my plot.
I had him insert several pins along the offending neighbor's line, plus I handed him two 3/4 inch by 6 foot rebar to mark the corners at the wiseguy's lot. Pounded in so about one foot remains above ground. With bright orange tape tied on, to be sure it it is visibele
Three others wer just one foot 1/2" rebar.
Neighbor was unhappy with results. Some months later the small pins disappeared. There were marks on the 3/4 rebar showing attempts to remove. Heh heh, would have needed a big jack to pull them out.
More time passes, wiseguy getting angrier, looking at corner stakes, veins popping out of his neck, beet red etc. My unprofessional opinion, the guy is nutcase.
One day a surveyor shows up. A polite chat reveals, he was hired to do only the line between wiseguy's and my property. This surveyor used a different monument as starting point. His results were within an inch of my surveyor's results. They both used angle measurements to arrive at solutions.
Neighbor's surveyor installed five wooden stakes to mark property line. I promptly installed 3/4 inch five foot rebar on my side of the newly installed wooden stakes.
Neighbor is still pi$$ed that the results were the same as obtained by my surveyor. Pulled up his survey markers, and tried to pull up mine as well. No success on the rebar which are only 6" exposed above ground.
Jerks are everyhere. Thank goodness for surveyors who do their job well,