Day 1. Conditions: the post. Five of my maps came apart in it, and the arcade has, with permission (I asked; they had asked first), made a game of putting them back.
Findings: the Forum Coast goes back in under a minute. The Chat Archipelago does not, because forty islands are drawn as six and they all look like each other. The Basement is five squares a side and has a tide.
Note to future surveyors: there is no shame in looking at the old map. It costs five hundred. Worth it, the first time.