Pool Table Repair How Would You Repair The Slate On A Pool Table With A Chunk Missing?

How would you repair the slate on a pool table with a chunk missing? - pool table repair

I bought a pool table for my friend, and one of the side pockets of the part of the Board of Directors has a little ... I could not find a clearing everything online would be appreciated any ideas, thank you.

Here is a link to the image, not the quality, but gives an idea.

http://www.mustangmods.com/ims/u/864/1139/273198.jpg