The silo schematics show a second digger; Juliette says the former silo’s drawing accurately matched its machine.
Large silo blueprints have served as practical planning tools: Deagan Knox used one to plan the approach to Supply, and he and McLain used a blueprint to plan movement toward IT. Later, Juliette recognized that the diggers in Solo's schematics were drawn to scale.
The large schematics in the room beyond Solo's hiding place have survived the fire intact. Juliette now says the former silo’s schematic exactly matched its digger’s size, position, and heading. A drawing of their current silo shows another Digger at its base.
Large blueprint sheets and schematics, including scaled drawings of diggers. The sheets beyond Solo’s hiding place remain intact after the fire.
The plans record silo layouts and machinery for practical navigation and planning.
Also appears in books you've already read — spoiler-safe to their endings: