All Storage Containers at The Ruined Shaft
Storage 1:
The container is after coming in and following the corridor. It's in the gut pile.
Storage 2:
The container is close to the bulldozer with the turning light.
Storage 3:
The container is inside the container next to the bulldozer. Shoot the pink lock to get inside.
Storage 4:
Continue the on the path until you get to the bridge that connects two big buildings.
There is a ladder you can climb down to get to a small room where Storage 4 is.
Storage 5, 6 and the Ark Chest:
After defeating Lug the Nut, take the elevator up. All 3 chests are up in a room.
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