it is in oasis you will have to open a wooden gate to the centre (there is a quest for this), when you go through the entrance into oasis there will be a door behind the throne go though that and it will be in there.
== == its located in oasis at the far north end of the map its hard to find heres a link to a map wich shuld help ^_^ http://agentpothead.com/fallout3.swf When you enter Oasis you will be greeted by the leader of the tree people. He will ask you to take part in a ceremony, do so and drink the potion. When you wake, the tree will be close by.
yes
Got milk
Broken steel is already in the regular fallout3 except for Mothership Zeta, The Pitt, Point lookout, and Operation Anchorage.
for pc, yes. for ps3 and xbox360, no.
What kind of tree are you talking about?
by killing an brotherhood outcast npc.
fallout3 IGN goty
usually someone will just drop it.
you find it northeast of mdlp power station
yes.
If you are playing on the pc, and if your talking about a save file, all you have to do is right click, it will say something like "Are you sure you want to delete this save?" or something like that. If your talking about mods, all you have to do is go into your fallout3 data folder find every single file that goes with that mod and delete it.