Training Manual #11: Smoke Shaping
After moving through the gas station during Joel’s second playtime, move past the truck with the burning barrels to the next building. Behind this building is a shed you can unlock with a shiv. You’ll find the manual inside.
Artifact #77: Ellie’s Backpack
During your search for Ellie, Joel will lock a door behind him and pick this up during a cut scene.
Artifact #78: Meat Ledger
Make a right from the shelf with Ellie’s backpack to find another artifact on another shelf.