[tummyman]

That is one reason I suggested a professional survey and make sure the surveyor places interim stakes along the property lines....like every 100 feet. Easy to do while they have the equipment there. Going from corner to corner is difficult. We did an approximation on our long side line. Fairly simple, but amazingly effective. When the leaves are off everything, went out in early evening when it was just getting dark. Had a person stand at one stake with a bright flashlight. Had another person stand at the other stake on the line we wanted to evaluate, then have a third person walk toward the line and watch to see when they break the light. Light only needs to be seen...you do not have to have it so the middle person is lit up....just enough to see they are breaking the light. A laser light works really well if you have one. We did this and came within 6 inches of the actual line by the surveyor. If the terrain is very tough. put the flashlight on a pole and hold it plumb.