Why the fenceline trees become stumps first in Trousdale
Walk any old boundary in this county and you will find the same three species doing the same job: eastern red cedar, Osage orange and black locust, spaced too regularly to be accidental. They were either planted as a living fence or left standing because a post that grows itself does not need replacing.
Then wire went on them. A staple driven into a young cedar in 1962 does not stay at the surface. The tree grows around it, and sixty years later that staple, and often several strands of the woven wire itself, sit three or four inches inside the trunk with clean wood grown over the entry point. Nothing shows on the outside except sometimes a stain. The trees eventually die of age, storm or a wire girdling them, and what is left is a stump that looks ordinary and is not.
What happens to a grinder tooth when carbide hits wire
A grinding wheel turns fast and the teeth are carbide brazed onto steel pockets. Wood shears off in front of them. Steel does not shear, it deflects, and the tooth takes the whole impact at speed. Best case you lose the carbide tip and the job slows down while it is changed. Worse case the pocket is damaged, which is a workshop repair rather than a roadside one.
The cost is not really the tooth, it is the day. A stump that was booked as ninety minutes becomes four hours of finding wire, cutting it out with a saw or a grinder disc, and going back in an inch at a time. That is why an operator who quotes your hedgerow cedar at lawn-tree prices is either going to ask for more money on the day or is going to hurry and hope. Neither is what you want happening in your fenceline.
Four ways to spot wire in a stump before anybody quotes
Four signs, in rough order of reliability. A rust stain running vertically down the bark under an old wire line, which is the strand corroding inside the wood. A cut-off stub of wire at knee or waist height on the trunk or on the tree next to it. Staples still visible on the neighbouring trunks in the same line, which tells you what was done to yours. And spacing: trees at eight, ten or twelve foot intervals in a straight line were a fence, whatever they look like now.
Worth adding the history if you know it. People who grew up on the place usually remember whether that line was hog wire, barbed or electric, and each one behaves differently. Electric fence is the sneaky one, because the insulator often ends up swallowed too and the conduit may still be live somewhere along the run.
How wire changes a Hartsville stump grind, and the price
On a known wire stump the sequence changes. The outer two or three inches come off carefully rather than at full feed, so any metal is exposed while the wheel is still shallow. Anything found gets cut free and pulled out with a bar before grinding continues. A magnet or a detector over the flare beforehand catches most of what is going to bite.
On price, expect a wire-bearing hedgerow stump to sit above the equivalent clean stump. A twenty-inch cedar in an open lawn is a middle-band job; the same cedar out of a fenceline can move toward the top of that band or past it, depending on how much metal comes out. The saving is in numbers. A run of eight fenceline stumps done in one setup, with one careful approach applied to all of them, costs far less per stump than one done on its own, which is why hedgerow work is nearly always better booked as a line rather than as a tree.
The short version
Assume metal in any stump that stood in an old fenceline, and say so when you ask for a price. A rust stain, a wire stub or trees in a straight line at even spacing are enough to change how the job is quoted and how the wheel goes in. Book the whole line at once rather than one tree at a time, because the careful approach costs the same whether it is applied to one stump or eight.