Look for sick trees. Elm trees are commonly afflicted with Dutch elm disease. As its name implies, the disease only affects elm trees, so if you see a tree with the symptoms of Dutch elm disease, you can safely conclude it is an elm.
1 The cost of repairing a fence is going to depend on the fence height, length, the materials, complexity of the installation, and type of repairs that need to be performed. 2  To give you an idea on what you are probably going to have to pay, plan on spending anywhere from $8 to $18 per linear foot for wood fence repair.
The average wooden fence can last anywhere from 10 years to 30, depending on the quality of the installation, type of wood, and how well it's maintained. Consult with a professional fence contractor to determine the best wood for your home's needs, and to have it installed to last.