The red planet Mars. - National Geographic Society. Cartographic Division (Washington : [editor no identificado], 1973)
One degree of longitude on the equator an one degree of latitude equal 63.7 statute miles, or 59.7 Km--Gilbert M. Grosvenoor, editor-in-chief. William T. Peele, chief cartographer--Meridianos: 120°, 0° Y 240°--Inserciones: Seasons on Mars. Retrograde motion. Conjuntion. Opposition. Mars'place in the Solar System--Al reverso: The dusty face of Mars
Keywords: MARTE (PLANETA) -- MAPAS