This map is old, frayed, and has been handled a great deal. It depicts a hidden chamber and bears complicated instructions for the making of a very unique torch.
You found an ancient map with instructions on making a very strange and special torch among the remains of Balin's Camp.
You may wish to consult with the dwarves at the Twenty-first Hall about the map you found. Perhaps one of them may be able to help you decipher it.
Geirfast thinks that you could obtain a torch from Pashnar, a goblin Warg-rider. This torch will allow you to begin following the instructions found on the ancient map.
Geirfast will be able to help you learn what to do next in order to reveal the map's treasure.