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The map of the lunar region below lat 45˚ S. is the sixth part of a complete geologic reconnaissance mapping of the moon at 1:5,000,000 scale. The upper half of the map portrays the geology of the earth-facing or near side, and the lower half shows terrain that was unknown before spacecraft photography. The near side that was well photographed at resolutions of 0.1 to 0.5 km by Lunar...