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.
1 When receiving an estimate from a contractor, most will give a price per linear foot and not differentiate between materials and labor. The prices below reflect an average fence height of 5-6 feet tall.  Wood fence installation costs $15-$25 per linear foot.