Apollo 15 mapping camera photograph AS15-M-1557 (cropped version). In the left center of the image is the wrinkle ridge Dorsum Heim.
NASA - Apolo 15
2016-05-05
<a rel="nofollow" class="external free" href="http://wms.lroc.asu.edu/apollo/view?camera=M&amp;image_name=AS15-M-1557">http://wms.lroc.asu.edu/apollo/view?camera=M&amp;image_name=AS15-M-1557</a>