Dutchman's Instructions is a paper note in Fallout 4.
Location
Dutchman's instructions are found on Dutchman, a corpse in Bedford Station. It hints towards a blue barrel full of gear that is located in the blue rail car northeast of a body mentioned in the note. It is highlighted by a Railroad symbol on the wall next to it. The body can be found under the water tank in front of the old switching station (near where Dutchman's body is originally found). She also had Helena's Instructions on her advising that the package would arrive at midnight.
Transcript
Deliver your package to the old switching station. The runner arrives at midnight. If you need gear, look for the blue barrel.
Bugs
Attempting to read the instructions may make the screen go blurry and not display any text at all.
Gallery
Dutchman's corpse
