|The following is based on Van Buren and is not canon.|
With some well-placed explosives, you can open up a section in the back of the Storage Cave, revealing another cave with some silver. Then you can mine it with the mining quests.
Character type completion breakdown
- Science Boy - Can work more efficiently, getting finished slightly faster. Having better tools makes you faster at working, too.
- DiploBoy - Can talk people into helping him or doing it for him.
- Stealth Boy - Has the best chance of setting the explosives in the right places, opening up the greatest amount of the cave.