** This map includes feature names officially approved by the International Astronomical Union. ** The lunar surface features shown on this map are portrayed utilizing pictures taken primarily by the Lunar Orbiter IV spacecraft. Some data from Lunar Orbiter V, Apollo orbital flights, Mariner 10, and the USSR Zond mission are also used. Shaded relief was drawn with uniform illumination with sun to the east. ** If you would like the map that does not include feature names please refer to # 27395 - Shaded Relief Map of the Lunar Polar Regions. ** Map scale is 1:5,000,000. One sheet: 48.5"x30"