|The following is based on Van Buren and is not canon.|
You can use the small bits of coal dust and coal gravel to make (with the nitrate from bat guano) gunpowder. You can also do this as part of a deal with the ghouls of the Reservation, who need coal. Harvesting it is boring, but it provides raw materials. No archetype here as a particular advantage, except...
Character type completion breakdown
- DiploBoy - Can talk some locals into doing this work for him. Probably kids.