Hitchhiker's Guide to Rukl Chart 21

Robin Casady's CCD image of Timocharis and Archimedes.

Eratosthenes (David North <north _at_ znet.com>)

I decided, just for ducks, to count the terraces I could make out on the wall. In the most lineated area, I came up with nine! Neat walls.

Robin Casady's CCD image of Eratosthenes.