Figure 2. Topographic map of Mars (blue is low and red/white is high) showing the location of the Meridiani Planum and Gusev Crater landing sites for the Mars Exploration Rovers. The approximate locations of the Viking Landers I and II (VLI and VL2) and Mars Pathfinder (MPF) are indicated in red. Map was generated using data from the Mars Orbiter Laser Altimeter (MOLA) on board the Mars Global Surveyor Spacecraft (MGS).