In order to get your hands on Oil In Graveyard Keeper you can do one of two things, either buy it or make it by yourself.
Source: N4G PC Graveyard Keeper: How To Get Oil
In order to get your hands on Oil In Graveyard Keeper you can do one of two things, either buy it or make it by yourself.
Source: N4G PC Graveyard Keeper: How To Get Oil