Collapse The Cave Entrances

Collapse The Cave Entrances was going to be a quest in Van Buren, the canceled Fallout 3 by Black Isle Studios.

Background
Using enough explosives in the right locations, you could seal shut each of the cave entrances. Not only would that force anyone inside to die of suffocation, it would piss off the Blackfoots to no end, since you've closed off much of their supplies and their ability to make new metal out of scrap.

ScienceBoy
Can make the explosives.

StealthBoy
Is the master of setting traps, which is what these are.