Orbital photo of lunar surface. This photo was used in figure 25-92 (c) of the apollo 15 preliminary science report (sp-289, 1971), which has the following caption:mare in oceanus procellarum between aristarchus plateau to the south and the rumker hills to the north. (a) lunar orbiter iv photograph, indicating area shown in photographs provided in parts (b) and (c) of this figure. This photograph (showing an area approximately 240 by 320 km) indicates that the abundant mare ridges, which are characteristic of this area, trend in a northwest-southeast direction. (b) mare ridges in the vicinity of lichtenberg b crater (lower left) and nanmann g crater (center). Features of interest include subsidiary ridges on top of mare ridges, subdued isolated mare ridges, and en echelon structures perhaps related to regional structural patterns (as15-98-13355). (c) additional mare ridges to the northwest of naumann g crater (lower right). Naumann crater (lower left) and naumann b crater (upper center) show hummocky ejecta blankets. Mare ridges are seen to follow angular structural patterns toward the horizon to the northwest (as15-98-13354). Note: errors in photo numbers in the report have been corrected for this caption (they were reversed). Date: 1971.
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