Iron Ore farming
It's recommended to have Mining skill 100 before you start farming Iron Ore, so you won't get any ore fragments. Iron Deposits may be found in many areas where the typical creature level is between about 25 and 35. This Iron Ore farming guide will list the places where you can get the most Iron.
You will find Iron anywhere you go in Feralas, it's the best place to mine Iron. You could actually just do laps at the northern area without going to the southern area.
Western Plaguelands is also an excellent place to farm Iron, just don't go to Hearthglen because there is no ore there. Stick to route I recommend.
These are the best zones if you want to farm Iron Ore. Once you are done mining Iron, go to my Mithril Ore Farming page!