You want to put a swimming pool in your backyard. The desert heat gets intense during the summer months and a cool pool sounds like paradise. You stand on your patio and look out over the gravel, wondering where your lot officially ends. You see a block wall. It seems natural to assume that the structure sits right on the line. Guessing is an easy way to run into legal trouble. It can cost you thousands of dollars. Borders in a desert city can be full of surprises. Many residential neighborhoods grew very fast over the last few decades. Subdivisions spread across the valley floor and crawled up into the dry mountainsides. Hard Rock and Hidden Pins Because of this quick growth, older parcels often meet newer developments at odd angles. Sometimes your yard backs up against federal land. The Bureau of Land Management controls vast acreage right next to private subdivisions. You cannot just trust that an old fence or a row of desert shrubs shows where your ownership ends. The local soil lo...