Apollo 15 Hasselblad image from film magazine 93/P - lunar orbit view.<br>This is figure 3-47 of the <i>Apollo 15 Preliminary Science Report</i> (NASA SP-289, 1972), which has the following caption:<br>This lower segment of Schroter's Valley trends southwestward down the gently sloping surface of Aristarchus Plateau. The outer channel is more segmented than sinuous, but the narrow inner channel is truly sinuous. At a point to the right of center, the narrow sinuous channel breaks through the far wall of the outer channel and winds southward toward the flatter surface of the <a href="//commons.wikimedia.org/w/index.php?title=Mare_Imbrium&amp;action=edit&amp;redlink=1" class="new" title="Mare Imbrium (page does not exist)">Ocean of Storms</a>.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/136485307@N06">Project Apollo Archive</a>
1971
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/projectapolloarchive/21925326115/">AS15-93-12628</a>