Hard to believe others would place signs on your land. That's bold!
We had an idiot neighbor that did that to us at the shop and another neighbor. After having it surveyed we put up fence posts "inside" of the surveyors stakes. Came in one Monday morning and they were moved about 12' toward our building and a whole row of posts were put up with hand painted signs saying "No Trespassing - This means you!". I took them down because they were in our fire lane behind the building and over the drain field. Next weekend, they went right back up. Partner called the Sheriff, showed him everything (we have measurements from the building to the property lines and all), Sheriff had a chat with the neighbor and that ended it. Yep - They are out there!
