A smaller scale topographic map of the Iani Chaos region on Mars. The scale is just 1:100 000 and the contour lines are finer, just 100 metres difference, to help bring out more subtle gradations in the height of Martian surface features. Credit: Map Compilation: Technische Universitä´ Berlin, 2006; Image Data: ESA / DLR / FU Berlin (G. Neukum)
