Junkie's note is a paper note in Fallout 4.
Background
Found on a random dead junkie somewhere in the Commonwealth, it starts the unmarked quest Treasure Hunt to find a chem stash at a random location.
Possible locations
Transcript
Dealer said there was a big stash of chems up at [location]. Get them, and we'd be set for months. Or we could sell 'em and buy something stronger.
