Wisdom at the rivers' crossing

[Those who have time to stop in the mashing of zombies and open their journals will find that a large sheet of paper has been folded into the pages. On it, traced with a hasty but deft hand, is a map of the residential area on one side, the City Without Walls on the other. It's traced from memory, but this being Huo's memory we're taking about, it's quite accurate, if lacking in detail. On the second floor map is marked the location of Apple's barricade, and in small script, the names of people currently holding it.

A brief note follows:]

If you have a moment to spare, please note your location and status. Coordination will benefit us all if this goes on.

Stellaris-gūniang, if you are available, I could use your aid in the Farm's machine shed. I have

[Aaaaand cut off. Zombies. You know how it is.]