FIGURE 5-21.-Lunar-surface 500-mm photograph looking southeast toward SilverSpur, approximately 20 km away. View shows detail of massive ledges of the north-northeast lineament system (sloping gently left) and the possible fractures of the northwest lineament system (dark deeply shadowed depressions sloping steeply right), Slope of Hadley Delta is in the foreground ( AS15-84-11250 ).