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 With professional installation a semi-privacy or privacy wooden fence can be $8-$100 or more a foot, depending on material, complexity and location; a basic wood privacy fence typically costs $10-$30 a foot, for $1,000-$3,500 for 100' (depending on whether there's a gate) and $3,000-$10,000 for 300'. For example, Production Fence Works in Georgia estimates its basic 6' wood privacy fence (with pressure-treated fence posts in concrete) costs an average of $11.30 a foot in treated pine and $14.99 a foot in Western red cedar.