4 ms·
You can go to the map store (http://store.usgs.gov http://store.usgs.gov) and search for Geologic Map of Mars. Make sure you get the one from 2014.
by markbnine 12y ago
You can go to the map store (http://store.usgs.gov http://store.usgs.gov) and search for Geologic Map of Mars. Make sure you get the one from 2014.