(optional) Free and speak to the imprisoned ghoul in the cell.Bypass Harry the super mutant with either a high Speech skill, Sneak skill, or violence.Travel to Watershed area (northern most section).Travel to Necropolis and enter the sewers.(optional) Travel to the Water Merchants, and ask them to send water to Vault 13.(optional) Get the holodisk from the Library.Descend to level 3, enter the area were the command center should be (earn 500 experience for discovering the destroyed command center).On the second level another rope can be found in the locker in a side room on the way to the second broken elevator shaft.Enter Vault 15 and use the rope on the broken elevator shaft.Travel to Vault 15 and enter the abandoned shack.Travel to Shady Sands, located on the path to Vault 15.
