It seems every SVE quest is handled so strictly to events that the best way to resolve the whole issue is to simply re-tie removal to the reward of the special order, and addition to the event only (no removal on seeing another event).
So it'll handle railroad boulder and everything else, or should. Also I was told that my patch didn't remove all of the dupes, so this should hopefully do it.
It seems every SVE quest is handled so strictly to events that the best way to resolve the whole issue is to simply re-tie removal to the reward of the special order, and addition to the event only (no removal on seeing another event).
So it'll handle railroad boulder and everything else, or should. Also I was told that my patch didn't remove all of the dupes, so this should hopefully do it.