This is figure 5-103 (d) of the <i>Apollo 15 Preliminary Science Report</i> (NASA SP-289, 1972), which has the following caption:<br>
Block on north-northwest rim of Spur Crater. (a) Down-Sun photograph of breccia block 1.5 m across (AS15-86-11689). (b) Sketch map of surface of breccia block, showing light clasts in and around block, fractures and glass coatings on block. (c) Cross-Sun photograph looking south, showing fold structures near center of north face of block (AS 15-86-11682). (d) Sketch map of breccia block, showing traces of fold planes on surface near center of block.
NASA Manned Spacecraft Center
1972
<i>Apollo 15 Preliminary Science Report</i> (NASA SP-289, 1972)