you need to find both map pieces
here is the site that can help you http://teamclubpenguincheats.blogspot.com/2008/06/mission-8-mysterious-tremors-cheat.html
You have to do the previous misson
nothing
mogul
pea
you have to get to the end of it, complete it
It is in the invintory
The answer is mogul.
i cant get it
in misson 11
There are always new missions.
you have to find a scissor.