Wikileadspresident

The North Polar Basin is the large blue low-lying area at the northern end of this topographical map of Mars. Its elliptical shape is partially obscured by volcanic eruptions (red, center left).

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I will not respond to questions on this talk page or on your own. I will respond on article talk where I find it necessary. Wikileadspresident (talk) 09:24, 20 December 2010 (UTC)