is this the map you're looking for?
http://photojournal.jpl.nasa.gov/catalog/PIA05059
It only covers the local area, not all the way to the rim, but it might help.
Space/Science » in reply to re: I think I see a very faint hill or mountain.
http://photojournal.jpl.nasa.gov/catalog/PIA05059
It only covers the local area, not all the way to the rim, but it might help.